Finding the Fourth Proportional to 89,483.31, 134,171.10 and 39,537.90

Step by Step Solution

1. Step 1: Write the proportion equation
   89,483.31 : 134,171.10 = 39,537.90 : x
2. Step 2: Convert to fraction form
   89,483.31/134,171.10 = 39,537.90/x
3. Step 3: Cross multiply
   89,483.31x = 134,171.10 × 39,537.90
4. Step 4: Simplify right side
   89,483.31x = 5,304,843,534.69
5. Step 5: Solve for x
   x = 5,304,843,534.69/89,483.31
6. Step 6: Final answer
   x = 59,283.05