Finding the Fourth Proportional to 103,694.52, 143,142.58 and 69,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,694.52 : 143,142.58 = 69,722.72 : x
2. Step 2: Convert to fraction form
   103,694.52/143,142.58 = 69,722.72/x
3. Step 3: Cross multiply
   103,694.52x = 143,142.58 × 69,722.72
4. Step 4: Simplify right side
   103,694.52x = 9,980,290,025.42
5. Step 5: Solve for x
   x = 9,980,290,025.42/103,694.52
6. Step 6: Final answer
   x = 96,247.03