Finding the Fourth Proportional to 106,080.72, 146,391.91 and 58,337.16

Step by Step Solution

1. Step 1: Write the proportion equation
   106,080.72 : 146,391.91 = 58,337.16 : x
2. Step 2: Convert to fraction form
   106,080.72/146,391.91 = 58,337.16/x
3. Step 3: Cross multiply
   106,080.72x = 146,391.91 × 58,337.16
4. Step 4: Simplify right side
   106,080.72x = 8,540,088,276.38
5. Step 5: Solve for x
   x = 8,540,088,276.38/106,080.72
6. Step 6: Final answer
   x = 80,505.56