Finding the Fourth Proportional to 2,108,086.20, 2,909,159.88 and 1,141,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,086.20 : 2,909,159.88 = 1,141,216.50 : x
2. Step 2: Convert to fraction form
   2,108,086.20/2,909,159.88 = 1,141,216.50/x
3. Step 3: Cross multiply
   2,108,086.20x = 2,909,159.88 × 1,141,216.50
4. Step 4: Simplify right side
   2,108,086.20x = 3,319,981,256,194.02
5. Step 5: Solve for x
   x = 3,319,981,256,194.02/2,108,086.20
6. Step 6: Final answer
   x = 1,574,879.27