Finding the Fourth Proportional to 1,513.08, 2,266.92 and 1,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.08 : 2,266.92 = 1,026.72 : x
2. Step 2: Convert to fraction form
   1,513.08/2,266.92 = 1,026.72/x
3. Step 3: Cross multiply
   1,513.08x = 2,266.92 × 1,026.72
4. Step 4: Simplify right side
   1,513.08x = 2,327,492.10
5. Step 5: Solve for x
   x = 2,327,492.10/1,513.08
6. Step 6: Final answer
   x = 1,538.25