Finding the Fourth Proportional to 103,244.33, 142,326.36 and 72,976.25

Step by Step Solution

1. Step 1: Write the proportion equation
   103,244.33 : 142,326.36 = 72,976.25 : x
2. Step 2: Convert to fraction form
   103,244.33/142,326.36 = 72,976.25/x
3. Step 3: Cross multiply
   103,244.33x = 142,326.36 × 72,976.25
4. Step 4: Simplify right side
   103,244.33x = 10,386,443,317.32
5. Step 5: Solve for x
   x = 10,386,443,317.32/103,244.33
6. Step 6: Final answer
   x = 100,600.62