Finding the Fourth Proportional to 825,123, 1,138,669.74 and 467,427

Step by Step Solution

1. Step 1: Write the proportion equation
   825,123 : 1,138,669.74 = 467,427 : x
2. Step 2: Convert to fraction form
   825,123/1,138,669.74 = 467,427/x
3. Step 3: Cross multiply
   825,123x = 1,138,669.74 × 467,427
4. Step 4: Simplify right side
   825,123x = 532,244,980,558.98
5. Step 5: Solve for x
   x = 532,244,980,558.98/825,123
6. Step 6: Final answer
   x = 645,049.26