Finding the Fourth Proportional to 113,358.42, 156,417.30 and 68,026.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,358.42 : 156,417.30 = 68,026.50 : x
2. Step 2: Convert to fraction form
   113,358.42/156,417.30 = 68,026.50/x
3. Step 3: Cross multiply
   113,358.42x = 156,417.30 × 68,026.50
4. Step 4: Simplify right side
   113,358.42x = 10,640,521,458.45
5. Step 5: Solve for x
   x = 10,640,521,458.45/113,358.42
6. Step 6: Final answer
   x = 93,866.18