Finding the Fourth Proportional to 1,507.38, 2,259.18 and 814.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.38 : 2,259.18 = 814.02 : x
2. Step 2: Convert to fraction form
   1,507.38/2,259.18 = 814.02/x
3. Step 3: Cross multiply
   1,507.38x = 2,259.18 × 814.02
4. Step 4: Simplify right side
   1,507.38x = 1,839,017.70
5. Step 5: Solve for x
   x = 1,839,017.70/1,507.38
6. Step 6: Final answer
   x = 1,220.01