Finding the Fourth Proportional to 124,300.59, 186,477.88 and 45,414.69

Step by Step Solution

1. Step 1: Write the proportion equation
   124,300.59 : 186,477.88 = 45,414.69 : x
2. Step 2: Convert to fraction form
   124,300.59/186,477.88 = 45,414.69/x
3. Step 3: Cross multiply
   124,300.59x = 186,477.88 × 45,414.69
4. Step 4: Simplify right side
   124,300.59x = 8,468,834,759.40
5. Step 5: Solve for x
   x = 8,468,834,759.40/124,300.59
6. Step 6: Final answer
   x = 68,131.90