Finding the Fourth Proportional to 39,387.82, 59,123.94 and 21,872.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,387.82 : 59,123.94 = 21,872.38 : x
2. Step 2: Convert to fraction form
   39,387.82/59,123.94 = 21,872.38/x
3. Step 3: Cross multiply
   39,387.82x = 59,123.94 × 21,872.38
4. Step 4: Simplify right side
   39,387.82x = 1,293,181,282.78
5. Step 5: Solve for x
   x = 1,293,181,282.78/39,387.82
6. Step 6: Final answer
   x = 32,832.01