Finding the Fourth Proportional to 2,108,085.60, 2,909,157.52 and 1,141,215.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,085.60 : 2,909,157.52 = 1,141,215.20 : x
2. Step 2: Convert to fraction form
   2,108,085.60/2,909,157.52 = 1,141,215.20/x
3. Step 3: Cross multiply
   2,108,085.60x = 2,909,157.52 × 1,141,215.20
4. Step 4: Simplify right side
   2,108,085.60x = 3,319,974,781,018.30
5. Step 5: Solve for x
   x = 3,319,974,781,018.30/2,108,085.60
6. Step 6: Final answer
   x = 1,574,876.65