Finding the Fourth Proportional to 825,320, 1,138,958.88 and 467,624

Step by Step Solution

1. Step 1: Write the proportion equation
   825,320 : 1,138,958.88 = 467,624 : x
2. Step 2: Convert to fraction form
   825,320/1,138,958.88 = 467,624/x
3. Step 3: Cross multiply
   825,320x = 1,138,958.88 × 467,624
4. Step 4: Simplify right side
   825,320x = 532,604,507,301.12
5. Step 5: Solve for x
   x = 532,604,507,301.12/825,320
6. Step 6: Final answer
   x = 645,330.91