Finding the Fourth Proportional to 72,772,632.72, 100,414,385.52 and 42,999,132.87

Step by Step Solution

1. Step 1: Write the proportion equation
   72,772,632.72 : 100,414,385.52 = 42,999,132.87 : x
2. Step 2: Convert to fraction form
   72,772,632.72/100,414,385.52 = 42,999,132.87/x
3. Step 3: Cross multiply
   72,772,632.72x = 100,414,385.52 × 42,999,132.87
4. Step 4: Simplify right side
   72,772,632.72x = 4,317,731,505,033,883.50
5. Step 5: Solve for x
   x = 4,317,731,505,033,883.50/72,772,632.72
6. Step 6: Final answer
   x = 59,331,802.95