Finding the Fourth Proportional to 760,833.43, 1,139,567.98 and 520,377.43

Step by Step Solution

1. Step 1: Write the proportion equation
   760,833.43 : 1,139,567.98 = 520,377.43 : x
2. Step 2: Convert to fraction form
   760,833.43/1,139,567.98 = 520,377.43/x
3. Step 3: Cross multiply
   760,833.43x = 1,139,567.98 × 520,377.43
4. Step 4: Simplify right side
   760,833.43x = 593,005,456,742.69
5. Step 5: Solve for x
   x = 593,005,456,742.69/760,833.43
6. Step 6: Final answer
   x = 779,415.62