Finding the Fourth Proportional to 1,150,280.29, 1,587,393.12 and 667,131.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,280.29 : 1,587,393.12 = 667,131.94 : x
2. Step 2: Convert to fraction form
   1,150,280.29/1,587,393.12 = 667,131.94/x
3. Step 3: Cross multiply
   1,150,280.29x = 1,587,393.12 × 667,131.94
4. Step 4: Simplify right side
   1,150,280.29x = 1,059,000,651,688.25
5. Step 5: Solve for x
   x = 1,059,000,651,688.25/1,150,280.29
6. Step 6: Final answer
   x = 920,645.74