Finding the Fourth Proportional to 2,057,482.72, 2,839,227.36 and 1,139,649.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,482.72 : 2,839,227.36 = 1,139,649.88 : x
2. Step 2: Convert to fraction form
   2,057,482.72/2,839,227.36 = 1,139,649.88/x
3. Step 3: Cross multiply
   2,057,482.72x = 2,839,227.36 × 1,139,649.88
4. Step 4: Simplify right side
   2,057,482.72x = 3,235,725,120,116.72
5. Step 5: Solve for x
   x = 3,235,725,120,116.72/2,057,482.72
6. Step 6: Final answer
   x = 1,572,662.11