Finding the Fourth Proportional to 2,536.90, 3,500.88 and 1,542.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536.90 : 3,500.88 = 1,542.22 : x
2. Step 2: Convert to fraction form
   2,536.90/3,500.88 = 1,542.22/x
3. Step 3: Cross multiply
   2,536.90x = 3,500.88 × 1,542.22
4. Step 4: Simplify right side
   2,536.90x = 5,399,127.15
5. Step 5: Solve for x
   x = 5,399,127.15/2,536.90
6. Step 6: Final answer
   x = 2,128.24