Finding the Fourth Proportional to 2,108,875.28, 2,910,132.52 and 1,249,514.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,875.28 : 2,910,132.52 = 1,249,514.64 : x
2. Step 2: Convert to fraction form
   2,108,875.28/2,910,132.52 = 1,249,514.64/x
3. Step 3: Cross multiply
   2,108,875.28x = 2,910,132.52 × 1,249,514.64
4. Step 4: Simplify right side
   2,108,875.28x = 3,636,253,188,080.09
5. Step 5: Solve for x
   x = 3,636,253,188,080.09/2,108,875.28
6. Step 6: Final answer
   x = 1,724,261.85