Finding the Fourth Proportional to 3,100.52, 4,650.68 and 760.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.52 : 4,650.68 = 760.53 : x
2. Step 2: Convert to fraction form
   3,100.52/4,650.68 = 760.53/x
3. Step 3: Cross multiply
   3,100.52x = 4,650.68 × 760.53
4. Step 4: Simplify right side
   3,100.52x = 3,536,977.86
5. Step 5: Solve for x
   x = 3,536,977.86/3,100.52
6. Step 6: Final answer
   x = 1,140.77