Finding the Fourth Proportional to 113,059.52, 156,038.37 and 67,739.30

Step by Step Solution

1. Step 1: Write the proportion equation
   113,059.52 : 156,038.37 = 67,739.30 : x
2. Step 2: Convert to fraction form
   113,059.52/156,038.37 = 67,739.30/x
3. Step 3: Cross multiply
   113,059.52x = 156,038.37 × 67,739.30
4. Step 4: Simplify right side
   113,059.52x = 10,569,929,956.94
5. Step 5: Solve for x
   x = 10,569,929,956.94/113,059.52
6. Step 6: Final answer
   x = 93,489.96