Finding the Fourth Proportional to 2,307.42, 3,182.22 and 1,520.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.42 : 3,182.22 = 1,520.64 : x
2. Step 2: Convert to fraction form
   2,307.42/3,182.22 = 1,520.64/x
3. Step 3: Cross multiply
   2,307.42x = 3,182.22 × 1,520.64
4. Step 4: Simplify right side
   2,307.42x = 4,839,011.02
5. Step 5: Solve for x
   x = 4,839,011.02/2,307.42
6. Step 6: Final answer
   x = 2,097.15