Finding the Fourth Proportional to 2,108,510.52, 3,162,960.21 and 688,574.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,510.52 : 3,162,960.21 = 688,574.04 : x
2. Step 2: Convert to fraction form
   2,108,510.52/3,162,960.21 = 688,574.04/x
3. Step 3: Cross multiply
   2,108,510.52x = 3,162,960.21 × 688,574.04
4. Step 4: Simplify right side
   2,108,510.52x = 2,177,932,290,158.95
5. Step 5: Solve for x
   x = 2,177,932,290,158.95/2,108,510.52
6. Step 6: Final answer
   x = 1,032,924.55