Finding the Fourth Proportional to 113,523.40, 156,650.50 and 69,909.01

Step by Step Solution

1. Step 1: Write the proportion equation
   113,523.40 : 156,650.50 = 69,909.01 : x
2. Step 2: Convert to fraction form
   113,523.40/156,650.50 = 69,909.01/x
3. Step 3: Cross multiply
   113,523.40x = 156,650.50 × 69,909.01
4. Step 4: Simplify right side
   113,523.40x = 10,951,281,718.94
5. Step 5: Solve for x
   x = 10,951,281,718.94/113,523.40
6. Step 6: Final answer
   x = 96,467.18