Finding the Fourth Proportional to 2,355.28, 3,250.53 and 1,307.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.28 : 3,250.53 = 1,307.34 : x
2. Step 2: Convert to fraction form
   2,355.28/3,250.53 = 1,307.34/x
3. Step 3: Cross multiply
   2,355.28x = 3,250.53 × 1,307.34
4. Step 4: Simplify right side
   2,355.28x = 4,249,547.89
5. Step 5: Solve for x
   x = 4,249,547.89/2,355.28
6. Step 6: Final answer
   x = 1,804.27