Finding the Fourth Proportional to 113,631.78, 156,812.22 and 68,335.86

Step by Step Solution

1. Step 1: Write the proportion equation
   113,631.78 : 156,812.22 = 68,335.86 : x
2. Step 2: Convert to fraction form
   113,631.78/156,812.22 = 68,335.86/x
3. Step 3: Cross multiply
   113,631.78x = 156,812.22 × 68,335.86
4. Step 4: Simplify right side
   113,631.78x = 10,715,897,912.21
5. Step 5: Solve for x
   x = 10,715,897,912.21/113,631.78
6. Step 6: Final answer
   x = 94,303.71