Finding the Fourth Proportional to 1,499.74, 2,249.52 and 575.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.74 : 2,249.52 = 575.22 : x
2. Step 2: Convert to fraction form
   1,499.74/2,249.52 = 575.22/x
3. Step 3: Cross multiply
   1,499.74x = 2,249.52 × 575.22
4. Step 4: Simplify right side
   1,499.74x = 1,293,968.89
5. Step 5: Solve for x
   x = 1,293,968.89/1,499.74
6. Step 6: Final answer
   x = 862.80