Finding the Fourth Proportional to 902,019.30, 1,243,789.16 and 574,813.98

Step by Step Solution

1. Step 1: Write the proportion equation
   902,019.30 : 1,243,789.16 = 574,813.98 : x
2. Step 2: Convert to fraction form
   902,019.30/1,243,789.16 = 574,813.98/x
3. Step 3: Cross multiply
   902,019.30x = 1,243,789.16 × 574,813.98
4. Step 4: Simplify right side
   902,019.30x = 714,947,397,340.46
5. Step 5: Solve for x
   x = 714,947,397,340.46/902,019.30
6. Step 6: Final answer
   x = 792,607.65