Finding the Fourth Proportional to 68,962.77, 95,178.92 and 42,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   68,962.77 : 95,178.92 = 42,120.72 : x
2. Step 2: Convert to fraction form
   68,962.77/95,178.92 = 42,120.72/x
3. Step 3: Cross multiply
   68,962.77x = 95,178.92 × 42,120.72
4. Step 4: Simplify right side
   68,962.77x = 4,009,004,428.62
5. Step 5: Solve for x
   x = 4,009,004,428.62/68,962.77
6. Step 6: Final answer
   x = 58,132.88