Finding the Fourth Proportional to 3,979,789.59, 5,492,128.15 and 2,261,004.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,789.59 : 5,492,128.15 = 2,261,004.42 : x
2. Step 2: Convert to fraction form
   3,979,789.59/5,492,128.15 = 2,261,004.42/x
3. Step 3: Cross multiply
   3,979,789.59x = 5,492,128.15 × 2,261,004.42
4. Step 4: Simplify right side
   3,979,789.59x = 12,417,726,022,356.42
5. Step 5: Solve for x
   x = 12,417,726,022,356.42/3,979,789.59
6. Step 6: Final answer
   x = 3,120,196.62