Finding the Fourth Proportional to 1,499.92, 2,249.47 and 525.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.92 : 2,249.47 = 525.89 : x
2. Step 2: Convert to fraction form
   1,499.92/2,249.47 = 525.89/x
3. Step 3: Cross multiply
   1,499.92x = 2,249.47 × 525.89
4. Step 4: Simplify right side
   1,499.92x = 1,182,980.06
5. Step 5: Solve for x
   x = 1,182,980.06/1,499.92
6. Step 6: Final answer
   x = 788.70