Finding the Fourth Proportional to 1,688,222.72, 2,329,658.88 and 924,129.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,222.72 : 2,329,658.88 = 924,129.92 : x
2. Step 2: Convert to fraction form
   1,688,222.72/2,329,658.88 = 924,129.92/x
3. Step 3: Cross multiply
   1,688,222.72x = 2,329,658.88 × 924,129.92
4. Step 4: Simplify right side
   1,688,222.72x = 2,152,907,474,401.69
5. Step 5: Solve for x
   x = 2,152,907,474,401.69/1,688,222.72
6. Step 6: Final answer
   x = 1,275,250.86