Finding the Fourth Proportional to 103,547.20, 142,950.72 and 69,610.24

Step by Step Solution

1. Step 1: Write the proportion equation
   103,547.20 : 142,950.72 = 69,610.24 : x
2. Step 2: Convert to fraction form
   103,547.20/142,950.72 = 69,610.24/x
3. Step 3: Cross multiply
   103,547.20x = 142,950.72 × 69,610.24
4. Step 4: Simplify right side
   103,547.20x = 9,950,833,927.37
5. Step 5: Solve for x
   x = 9,950,833,927.37/103,547.20
6. Step 6: Final answer
   x = 96,099.50