Finding the Fourth Proportional to 113,559.52, 156,730.80 and 63,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,559.52 : 156,730.80 = 63,274.72 : x
2. Step 2: Convert to fraction form
   113,559.52/156,730.80 = 63,274.72/x
3. Step 3: Cross multiply
   113,559.52x = 156,730.80 × 63,274.72
4. Step 4: Simplify right side
   113,559.52x = 9,917,097,485.38
5. Step 5: Solve for x
   x = 9,917,097,485.38/113,559.52
6. Step 6: Final answer
   x = 87,329.51