Finding the Fourth Proportional to 825,279.32, 1,139,088.03 and 503,167.01

Step by Step Solution

1. Step 1: Write the proportion equation
   825,279.32 : 1,139,088.03 = 503,167.01 : x
2. Step 2: Convert to fraction form
   825,279.32/1,139,088.03 = 503,167.01/x
3. Step 3: Cross multiply
   825,279.32x = 1,139,088.03 × 503,167.01
4. Step 4: Simplify right side
   825,279.32x = 573,151,518,181.89
5. Step 5: Solve for x
   x = 573,151,518,181.89/825,279.32
6. Step 6: Final answer
   x = 694,493.98