Finding the Fourth Proportional to 2,320.95, 3,200.55 and 1,535.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.95 : 3,200.55 = 1,535.25 : x
2. Step 2: Convert to fraction form
   2,320.95/3,200.55 = 1,535.25/x
3. Step 3: Cross multiply
   2,320.95x = 3,200.55 × 1,535.25
4. Step 4: Simplify right side
   2,320.95x = 4,913,644.39
5. Step 5: Solve for x
   x = 4,913,644.39/2,320.95
6. Step 6: Final answer
   x = 2,117.08