Finding the Fourth Proportional to 113,734.50, 156,953.61 and 63,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,734.50 : 156,953.61 = 63,433.50 : x
2. Step 2: Convert to fraction form
   113,734.50/156,953.61 = 63,433.50/x
3. Step 3: Cross multiply
   113,734.50x = 156,953.61 × 63,433.50
4. Step 4: Simplify right side
   113,734.50x = 9,956,116,819.94
5. Step 5: Solve for x
   x = 9,956,116,819.94/113,734.50
6. Step 6: Final answer
   x = 87,538.23