Finding the Fourth Proportional to 2,301.86, 3,452.06 and 762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.86 : 3,452.06 = 762.50 : x
2. Step 2: Convert to fraction form
   2,301.86/3,452.06 = 762.50/x
3. Step 3: Cross multiply
   2,301.86x = 3,452.06 × 762.50
4. Step 4: Simplify right side
   2,301.86x = 2,632,195.75
5. Step 5: Solve for x
   x = 2,632,195.75/2,301.86
6. Step 6: Final answer
   x = 1,143.51