Finding the Fourth Proportional to 1,499.15, 2,248.74 and 525.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.15 : 2,248.74 = 525.25 : x
2. Step 2: Convert to fraction form
   1,499.15/2,248.74 = 525.25/x
3. Step 3: Cross multiply
   1,499.15x = 2,248.74 × 525.25
4. Step 4: Simplify right side
   1,499.15x = 1,181,150.69
5. Step 5: Solve for x
   x = 1,181,150.69/1,499.15
6. Step 6: Final answer
   x = 787.88