Finding the Fourth Proportional to 113,216.52, 156,235.52 and 64,816.83

Step by Step Solution

1. Step 1: Write the proportion equation
   113,216.52 : 156,235.52 = 64,816.83 : x
2. Step 2: Convert to fraction form
   113,216.52/156,235.52 = 64,816.83/x
3. Step 3: Cross multiply
   113,216.52x = 156,235.52 × 64,816.83
4. Step 4: Simplify right side
   113,216.52x = 10,126,690,815.72
5. Step 5: Solve for x
   x = 10,126,690,815.72/113,216.52
6. Step 6: Final answer
   x = 89,445.35