Finding the Fourth Proportional to 68,950.40, 95,160.28 and 42,087.12

Step by Step Solution

1. Step 1: Write the proportion equation
   68,950.40 : 95,160.28 = 42,087.12 : x
2. Step 2: Convert to fraction form
   68,950.40/95,160.28 = 42,087.12/x
3. Step 3: Cross multiply
   68,950.40x = 95,160.28 × 42,087.12
4. Step 4: Simplify right side
   68,950.40x = 4,005,022,123.59
5. Step 5: Solve for x
   x = 4,005,022,123.59/68,950.40
6. Step 6: Final answer
   x = 58,085.55