Finding the Fourth Proportional to 1,513.64, 2,268.52 and 1,317.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.64 : 2,268.52 = 1,317.82 : x
2. Step 2: Convert to fraction form
   1,513.64/2,268.52 = 1,317.82/x
3. Step 3: Cross multiply
   1,513.64x = 2,268.52 × 1,317.82
4. Step 4: Simplify right side
   1,513.64x = 2,989,501.03
5. Step 5: Solve for x
   x = 2,989,501.03/1,513.64
6. Step 6: Final answer
   x = 1,975.04