Finding the Fourth Proportional to 103,697.52, 143,146.72 and 69,725.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,697.52 : 143,146.72 = 69,725.72 : x
2. Step 2: Convert to fraction form
   103,697.52/143,146.72 = 69,725.72/x
3. Step 3: Cross multiply
   103,697.52x = 143,146.72 × 69,725.72
4. Step 4: Simplify right side
   103,697.52x = 9,981,008,117.64
5. Step 5: Solve for x
   x = 9,981,008,117.64/103,697.52
6. Step 6: Final answer
   x = 96,251.17