Finding the Fourth Proportional to 113,353.56, 156,411.41 and 68,021.91

Step by Step Solution

1. Step 1: Write the proportion equation
   113,353.56 : 156,411.41 = 68,021.91 : x
2. Step 2: Convert to fraction form
   113,353.56/156,411.41 = 68,021.91/x
3. Step 3: Cross multiply
   113,353.56x = 156,411.41 × 68,021.91
4. Step 4: Simplify right side
   113,353.56x = 10,639,402,513.88
5. Step 5: Solve for x
   x = 10,639,402,513.88/113,353.56
6. Step 6: Final answer
   x = 93,860.33