Finding the Fourth Proportional to 1,499.51, 2,248.76 and 525.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.51 : 2,248.76 = 525.39 : x
2. Step 2: Convert to fraction form
   1,499.51/2,248.76 = 525.39/x
3. Step 3: Cross multiply
   1,499.51x = 2,248.76 × 525.39
4. Step 4: Simplify right side
   1,499.51x = 1,181,468.90
5. Step 5: Solve for x
   x = 1,181,468.90/1,499.51
6. Step 6: Final answer
   x = 787.90