Finding the Fourth Proportional to 58,176.54, 80,314.02 and 39,156.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,176.54 : 80,314.02 = 39,156.30 : x
2. Step 2: Convert to fraction form
   58,176.54/80,314.02 = 39,156.30/x
3. Step 3: Cross multiply
   58,176.54x = 80,314.02 × 39,156.30
4. Step 4: Simplify right side
   58,176.54x = 3,144,799,861.33
5. Step 5: Solve for x
   x = 3,144,799,861.33/58,176.54
6. Step 6: Final answer
   x = 54,056.15