Finding the Fourth Proportional to 2,057,385.52, 2,839,162.02 and 1,139,611.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,385.52 : 2,839,162.02 = 1,139,611.60 : x
2. Step 2: Convert to fraction form
   2,057,385.52/2,839,162.02 = 1,139,611.60/x
3. Step 3: Cross multiply
   2,057,385.52x = 2,839,162.02 × 1,139,611.60
4. Step 4: Simplify right side
   2,057,385.52x = 3,235,541,972,271.43
5. Step 5: Solve for x
   x = 3,235,541,972,271.43/2,057,385.52
6. Step 6: Final answer
   x = 1,572,647.39