Finding the Fourth Proportional to 113,817.76, 157,078.96 and 62,839.60

Step by Step Solution

1. Step 1: Write the proportion equation
   113,817.76 : 157,078.96 = 62,839.60 : x
2. Step 2: Convert to fraction form
   113,817.76/157,078.96 = 62,839.60/x
3. Step 3: Cross multiply
   113,817.76x = 157,078.96 × 62,839.60
4. Step 4: Simplify right side
   113,817.76x = 9,870,779,014.82
5. Step 5: Solve for x
   x = 9,870,779,014.82/113,817.76
6. Step 6: Final answer
   x = 86,724.42