Finding the Fourth Proportional to 2,108,511.52, 3,162,961.71 and 688,575.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,511.52 : 3,162,961.71 = 688,575.04 : x
2. Step 2: Convert to fraction form
   2,108,511.52/3,162,961.71 = 688,575.04/x
3. Step 3: Cross multiply
   2,108,511.52x = 3,162,961.71 × 688,575.04
4. Step 4: Simplify right side
   2,108,511.52x = 2,177,936,485,981.72
5. Step 5: Solve for x
   x = 2,177,936,485,981.72/2,108,511.52
6. Step 6: Final answer
   x = 1,032,926.05