Finding the Fourth Proportional to 124,619.31, 186,910.52 and 40,386.83

Step by Step Solution

1. Step 1: Write the proportion equation
   124,619.31 : 186,910.52 = 40,386.83 : x
2. Step 2: Convert to fraction form
   124,619.31/186,910.52 = 40,386.83/x
3. Step 3: Cross multiply
   124,619.31x = 186,910.52 × 40,386.83
4. Step 4: Simplify right side
   124,619.31x = 7,548,722,259.96
5. Step 5: Solve for x
   x = 7,548,722,259.96/124,619.31
6. Step 6: Final answer
   x = 60,574.26