Finding the Fourth Proportional to 2,180,612.16, 3,271,462.56 and 760,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,612.16 : 3,271,462.56 = 760,680 : x
2. Step 2: Convert to fraction form
   2,180,612.16/3,271,462.56 = 760,680/x
3. Step 3: Cross multiply
   2,180,612.16x = 3,271,462.56 × 760,680
4. Step 4: Simplify right side
   2,180,612.16x = 2,488,536,140,140.80
5. Step 5: Solve for x
   x = 2,488,536,140,140.80/2,180,612.16
6. Step 6: Final answer
   x = 1,141,209.88