Finding the Fourth Proportional to 103,674.52, 143,114.98 and 69,702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,674.52 : 143,114.98 = 69,702.72 : x
2. Step 2: Convert to fraction form
   103,674.52/143,114.98 = 69,702.72/x
3. Step 3: Cross multiply
   103,674.52x = 143,114.98 × 69,702.72
4. Step 4: Simplify right side
   103,674.52x = 9,975,503,378.75
5. Step 5: Solve for x
   x = 9,975,503,378.75/103,674.52
6. Step 6: Final answer
   x = 96,219.43