Finding the Fourth Proportional to 417,313.46, 626,019.06 and 132,904.10

Step by Step Solution

1. Step 1: Write the proportion equation
   417,313.46 : 626,019.06 = 132,904.10 : x
2. Step 2: Convert to fraction form
   417,313.46/626,019.06 = 132,904.10/x
3. Step 3: Cross multiply
   417,313.46x = 626,019.06 × 132,904.10
4. Step 4: Simplify right side
   417,313.46x = 83,200,499,752.15
5. Step 5: Solve for x
   x = 83,200,499,752.15/417,313.46
6. Step 6: Final answer
   x = 199,371.71