Finding the Fourth Proportional to 113,281.98, 156,270.24 and 67,938.18

Step by Step Solution

1. Step 1: Write the proportion equation
   113,281.98 : 156,270.24 = 67,938.18 : x
2. Step 2: Convert to fraction form
   113,281.98/156,270.24 = 67,938.18/x
3. Step 3: Cross multiply
   113,281.98x = 156,270.24 × 67,938.18
4. Step 4: Simplify right side
   113,281.98x = 10,616,715,693.76
5. Step 5: Solve for x
   x = 10,616,715,693.76/113,281.98
6. Step 6: Final answer
   x = 93,719.37