Finding the Fourth Proportional to 42,557.31, 58,699.22 and 36,882.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,557.31 : 58,699.22 = 36,882.05 : x
2. Step 2: Convert to fraction form
   42,557.31/58,699.22 = 36,882.05/x
3. Step 3: Cross multiply
   42,557.31x = 58,699.22 × 36,882.05
4. Step 4: Simplify right side
   42,557.31x = 2,164,947,089.09
5. Step 5: Solve for x
   x = 2,164,947,089.09/42,557.31
6. Step 6: Final answer
   x = 50,871.33