Finding the Fourth Proportional to 1,499.59, 2,249.34 and 525.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.59 : 2,249.34 = 525.61 : x
2. Step 2: Convert to fraction form
   1,499.59/2,249.34 = 525.61/x
3. Step 3: Cross multiply
   1,499.59x = 2,249.34 × 525.61
4. Step 4: Simplify right side
   1,499.59x = 1,182,275.60
5. Step 5: Solve for x
   x = 1,182,275.60/1,499.59
6. Step 6: Final answer
   x = 788.40