Finding the Fourth Proportional to 76,549,735,913.89, 105,638,267,240.14 and 42,255,142,488.64

Step by Step Solution

1. Step 1: Write the proportion equation
   76,549,735,913.89 : 105,638,267,240.14 = 42,255,142,488.64 : x
2. Step 2: Convert to fraction form
   76,549,735,913.89/105,638,267,240.14 = 42,255,142,488.64/x
3. Step 3: Cross multiply
   76,549,735,913.89x = 105,638,267,240.14 × 42,255,142,488.64
4. Step 4: Simplify right side
   76,549,735,913.89x = 4,463,760,034,485,146,484,736
5. Step 5: Solve for x
   x = 4,463,760,034,485,146,484,736/76,549,735,913.89
6. Step 6: Final answer
   x = 58,311,893,322.62