Finding the Fourth Proportional to 825,132, 1,138,682.16 and 467,436

Step by Step Solution

1. Step 1: Write the proportion equation
   825,132 : 1,138,682.16 = 467,436 : x
2. Step 2: Convert to fraction form
   825,132/1,138,682.16 = 467,436/x
3. Step 3: Cross multiply
   825,132x = 1,138,682.16 × 467,436
4. Step 4: Simplify right side
   825,132x = 532,261,034,141.76
5. Step 5: Solve for x
   x = 532,261,034,141.76/825,132
6. Step 6: Final answer
   x = 645,061.68