Finding the Fourth Proportional to 825,281.82, 1,139,091.51 and 503,169.54

Step by Step Solution

1. Step 1: Write the proportion equation
   825,281.82 : 1,139,091.51 = 503,169.54 : x
2. Step 2: Convert to fraction form
   825,281.82/1,139,091.51 = 503,169.54/x
3. Step 3: Cross multiply
   825,281.82x = 1,139,091.51 × 503,169.54
4. Step 4: Simplify right side
   825,281.82x = 573,156,151,104.61
5. Step 5: Solve for x
   x = 573,156,151,104.61/825,281.82
6. Step 6: Final answer
   x = 694,497.49