Finding the Fourth Proportional to 1,143,456.30, 1,577,760.84 and 659,844.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,456.30 : 1,577,760.84 = 659,844.90 : x
2. Step 2: Convert to fraction form
   1,143,456.30/1,577,760.84 = 659,844.90/x
3. Step 3: Cross multiply
   1,143,456.30x = 1,577,760.84 × 659,844.90
4. Step 4: Simplify right side
   1,143,456.30x = 1,041,077,443,693.72
5. Step 5: Solve for x
   x = 1,041,077,443,693.72/1,143,456.30
6. Step 6: Final answer
   x = 910,465.44