Finding the Fourth Proportional to 58,172.38, 80,308.33 and 39,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,172.38 : 80,308.33 = 39,152.16 : x
2. Step 2: Convert to fraction form
   58,172.38/80,308.33 = 39,152.16/x
3. Step 3: Cross multiply
   58,172.38x = 80,308.33 × 39,152.16
4. Step 4: Simplify right side
   58,172.38x = 3,144,244,487.61
5. Step 5: Solve for x
   x = 3,144,244,487.61/58,172.38
6. Step 6: Final answer
   x = 54,050.47