Finding the Fourth Proportional to 573,521.04, 855,441.72 and 498,047.76

Step by Step Solution

1. Step 1: Write the proportion equation
   573,521.04 : 855,441.72 = 498,047.76 : x
2. Step 2: Convert to fraction form
   573,521.04/855,441.72 = 498,047.76/x
3. Step 3: Cross multiply
   573,521.04x = 855,441.72 × 498,047.76
4. Step 4: Simplify right side
   573,521.04x = 426,050,832,456.55
5. Step 5: Solve for x
   x = 426,050,832,456.55/573,521.04
6. Step 6: Final answer
   x = 742,868.71