Finding the Fourth Proportional to 1,499.68, 2,248.78 and 907.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.68 : 2,248.78 = 907.32 : x
2. Step 2: Convert to fraction form
   1,499.68/2,248.78 = 907.32/x
3. Step 3: Cross multiply
   1,499.68x = 2,248.78 × 907.32
4. Step 4: Simplify right side
   1,499.68x = 2,040,363.07
5. Step 5: Solve for x
   x = 2,040,363.07/1,499.68
6. Step 6: Final answer
   x = 1,360.53