Finding the Fourth Proportional to 1,451.59, 2,003.36 and 862.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.59 : 2,003.36 = 862.12 : x
2. Step 2: Convert to fraction form
   1,451.59/2,003.36 = 862.12/x
3. Step 3: Cross multiply
   1,451.59x = 2,003.36 × 862.12
4. Step 4: Simplify right side
   1,451.59x = 1,727,147.83
5. Step 5: Solve for x
   x = 1,727,147.83/1,451.59
6. Step 6: Final answer
   x = 1,189.83