Finding the Fourth Proportional to 1,150,590.52, 1,587,462.98 and 667,059.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,590.52 : 1,587,462.98 = 667,059.13 : x
2. Step 2: Convert to fraction form
   1,150,590.52/1,587,462.98 = 667,059.13/x
3. Step 3: Cross multiply
   1,150,590.52x = 1,587,462.98 × 667,059.13
4. Step 4: Simplify right side
   1,150,590.52x = 1,058,931,672,995.04
5. Step 5: Solve for x
   x = 1,058,931,672,995.04/1,150,590.52
6. Step 6: Final answer
   x = 920,337.56