Finding the Fourth Proportional to 103,244.83, 142,327.05 and 72,976.75

Step by Step Solution

1. Step 1: Write the proportion equation
   103,244.83 : 142,327.05 = 72,976.75 : x
2. Step 2: Convert to fraction form
   103,244.83/142,327.05 = 72,976.75/x
3. Step 3: Cross multiply
   103,244.83x = 142,327.05 × 72,976.75
4. Step 4: Simplify right side
   103,244.83x = 10,386,564,834.45
5. Step 5: Solve for x
   x = 10,386,564,834.45/103,244.83
6. Step 6: Final answer
   x = 100,601.31