Finding the Fourth Proportional to 2,570.96, 3,547.86 and 1,523

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.96 : 3,547.86 = 1,523 : x
2. Step 2: Convert to fraction form
   2,570.96/3,547.86 = 1,523/x
3. Step 3: Cross multiply
   2,570.96x = 3,547.86 × 1,523
4. Step 4: Simplify right side
   2,570.96x = 5,403,390.78
5. Step 5: Solve for x
   x = 5,403,390.78/2,570.96
6. Step 6: Final answer
   x = 2,101.70