Finding the Fourth Proportional to 1,036,189.16, 1,553,233.98 and 503,261

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,189.16 : 1,553,233.98 = 503,261 : x
2. Step 2: Convert to fraction form
   1,036,189.16/1,553,233.98 = 503,261/x
3. Step 3: Cross multiply
   1,036,189.16x = 1,553,233.98 × 503,261
4. Step 4: Simplify right side
   1,036,189.16x = 781,682,086,008.78
5. Step 5: Solve for x
   x = 781,682,086,008.78/1,036,189.16
6. Step 6: Final answer
   x = 754,381.65