Finding the Fourth Proportional to 754,818.72, 1,041,478.83 and 550,980.75

Step by Step Solution

1. Step 1: Write the proportion equation
   754,818.72 : 1,041,478.83 = 550,980.75 : x
2. Step 2: Convert to fraction form
   754,818.72/1,041,478.83 = 550,980.75/x
3. Step 3: Cross multiply
   754,818.72x = 1,041,478.83 × 550,980.75
4. Step 4: Simplify right side
   754,818.72x = 573,834,786,862.52
5. Step 5: Solve for x
   x = 573,834,786,862.52/754,818.72
6. Step 6: Final answer
   x = 760,228.61