Finding the Fourth Proportional to 2,355.09, 3,250.01 and 1,307.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.09 : 3,250.01 = 1,307.15 : x
2. Step 2: Convert to fraction form
   2,355.09/3,250.01 = 1,307.15/x
3. Step 3: Cross multiply
   2,355.09x = 3,250.01 × 1,307.15
4. Step 4: Simplify right side
   2,355.09x = 4,248,250.57
5. Step 5: Solve for x
   x = 4,248,250.57/2,355.09
6. Step 6: Final answer
   x = 1,803.86