Finding the Fourth Proportional to 105,861.52, 146,080.56 and 58,114.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,861.52 : 146,080.56 = 58,114.72 : x
2. Step 2: Convert to fraction form
   105,861.52/146,080.56 = 58,114.72/x
3. Step 3: Cross multiply
   105,861.52x = 146,080.56 × 58,114.72
4. Step 4: Simplify right side
   105,861.52x = 8,489,430,841.84
5. Step 5: Solve for x
   x = 8,489,430,841.84/105,861.52
6. Step 6: Final answer
   x = 80,193.74