Finding the Fourth Proportional to 726,141.98, 1,002,088.80 and 403,852.22

Step by Step Solution

1. Step 1: Write the proportion equation
   726,141.98 : 1,002,088.80 = 403,852.22 : x
2. Step 2: Convert to fraction form
   726,141.98/1,002,088.80 = 403,852.22/x
3. Step 3: Cross multiply
   726,141.98x = 1,002,088.80 × 403,852.22
4. Step 4: Simplify right side
   726,141.98x = 404,695,781,506.69
5. Step 5: Solve for x
   x = 404,695,781,506.69/726,141.98
6. Step 6: Final answer
   x = 557,323.22