Finding the Fourth Proportional to 1,499.98, 2,248.60 and 525.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.98 : 2,248.60 = 525.55 : x
2. Step 2: Convert to fraction form
   1,499.98/2,248.60 = 525.55/x
3. Step 3: Cross multiply
   1,499.98x = 2,248.60 × 525.55
4. Step 4: Simplify right side
   1,499.98x = 1,181,751.73
5. Step 5: Solve for x
   x = 1,181,751.73/1,499.98
6. Step 6: Final answer
   x = 787.84