Finding the Fourth Proportional to 62,139.10, 93,116.49 and 45,642.46

Step by Step Solution

1. Step 1: Write the proportion equation
   62,139.10 : 93,116.49 = 45,642.46 : x
2. Step 2: Convert to fraction form
   62,139.10/93,116.49 = 45,642.46/x
3. Step 3: Cross multiply
   62,139.10x = 93,116.49 × 45,642.46
4. Step 4: Simplify right side
   62,139.10x = 4,250,065,670.17
5. Step 5: Solve for x
   x = 4,250,065,670.17/62,139.10
6. Step 6: Final answer
   x = 68,396.00