Finding the Fourth Proportional to 2,356.59, 3,252.10 and 1,308.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.59 : 3,252.10 = 1,308.86 : x
2. Step 2: Convert to fraction form
   2,356.59/3,252.10 = 1,308.86/x
3. Step 3: Cross multiply
   2,356.59x = 3,252.10 × 1,308.86
4. Step 4: Simplify right side
   2,356.59x = 4,256,538.72
5. Step 5: Solve for x
   x = 4,256,538.72/2,356.59
6. Step 6: Final answer
   x = 1,806.23