Finding the Fourth Proportional to 39,532.71, 54,552.82 and 21,624.15

Step by Step Solution

1. Step 1: Write the proportion equation
   39,532.71 : 54,552.82 = 21,624.15 : x
2. Step 2: Convert to fraction form
   39,532.71/54,552.82 = 21,624.15/x
3. Step 3: Cross multiply
   39,532.71x = 54,552.82 × 21,624.15
4. Step 4: Simplify right side
   39,532.71x = 1,179,658,362.60
5. Step 5: Solve for x
   x = 1,179,658,362.60/39,532.71
6. Step 6: Final answer
   x = 29,840.06