Finding the Fourth Proportional to 78,151.30, 107,848.65 and 42,342.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,151.30 : 107,848.65 = 42,342.22 : x
2. Step 2: Convert to fraction form
   78,151.30/107,848.65 = 42,342.22/x
3. Step 3: Cross multiply
   78,151.30x = 107,848.65 × 42,342.22
4. Step 4: Simplify right side
   78,151.30x = 4,566,551,265.00
5. Step 5: Solve for x
   x = 4,566,551,265.00/78,151.30
6. Step 6: Final answer
   x = 58,432.19