Finding the Fourth Proportional to 660,582.86, 911,573.83 and 374,105.00

Step by Step Solution

1. Step 1: Write the proportion equation
   660,582.86 : 911,573.83 = 374,105.00 : x
2. Step 2: Convert to fraction form
   660,582.86/911,573.83 = 374,105.00/x
3. Step 3: Cross multiply
   660,582.86x = 911,573.83 × 374,105.00
4. Step 4: Simplify right side
   660,582.86x = 341,024,329,015.82
5. Step 5: Solve for x
   x = 341,024,329,015.82/660,582.86
6. Step 6: Final answer
   x = 516,247.62