Finding the Fourth Proportional to 825,274.31, 1,139,081.13 and 503,162.01

Step by Step Solution

1. Step 1: Write the proportion equation
   825,274.31 : 1,139,081.13 = 503,162.01 : x
2. Step 2: Convert to fraction form
   825,274.31/1,139,081.13 = 503,162.01/x
3. Step 3: Cross multiply
   825,274.31x = 1,139,081.13 × 503,162.01
4. Step 4: Simplify right side
   825,274.31x = 573,142,350,923.87
5. Step 5: Solve for x
   x = 573,142,350,923.87/825,274.31
6. Step 6: Final answer
   x = 694,487.09