Finding the Fourth Proportional to 53,411.18, 80,046.69 and 39,305.18

Step by Step Solution

1. Step 1: Write the proportion equation
   53,411.18 : 80,046.69 = 39,305.18 : x
2. Step 2: Convert to fraction form
   53,411.18/80,046.69 = 39,305.18/x
3. Step 3: Cross multiply
   53,411.18x = 80,046.69 × 39,305.18
4. Step 4: Simplify right side
   53,411.18x = 3,146,249,558.85
5. Step 5: Solve for x
   x = 3,146,249,558.85/53,411.18
6. Step 6: Final answer
   x = 58,906.20