Finding the Fourth Proportional to 2,124,639.48, 2,931,986.25 and 1,157,766.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,639.48 : 2,931,986.25 = 1,157,766.78 : x
2. Step 2: Convert to fraction form
   2,124,639.48/2,931,986.25 = 1,157,766.78/x
3. Step 3: Cross multiply
   2,124,639.48x = 2,931,986.25 × 1,157,766.78
4. Step 4: Simplify right side
   2,124,639.48x = 3,394,556,279,666.78
5. Step 5: Solve for x
   x = 3,394,556,279,666.78/2,124,639.48
6. Step 6: Final answer
   x = 1,597,709.31