Finding the Fourth Proportional to 1,499.81, 2,248.89 and 622.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.81 : 2,248.89 = 622.07 : x
2. Step 2: Convert to fraction form
   1,499.81/2,248.89 = 622.07/x
3. Step 3: Cross multiply
   1,499.81x = 2,248.89 × 622.07
4. Step 4: Simplify right side
   1,499.81x = 1,398,967.00
5. Step 5: Solve for x
   x = 1,398,967.00/1,499.81
6. Step 6: Final answer
   x = 932.76