Finding the Fourth Proportional to 1,499.18, 2,248.78 and 525.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.18 : 2,248.78 = 525.06 : x
2. Step 2: Convert to fraction form
   1,499.18/2,248.78 = 525.06/x
3. Step 3: Cross multiply
   1,499.18x = 2,248.78 × 525.06
4. Step 4: Simplify right side
   1,499.18x = 1,180,737.77
5. Step 5: Solve for x
   x = 1,180,737.77/1,499.18
6. Step 6: Final answer
   x = 787.59