Finding the Fourth Proportional to 1,308.33, 1,807.43 and 1,030.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.33 : 1,807.43 = 1,030.41 : x
2. Step 2: Convert to fraction form
   1,308.33/1,807.43 = 1,030.41/x
3. Step 3: Cross multiply
   1,308.33x = 1,807.43 × 1,030.41
4. Step 4: Simplify right side
   1,308.33x = 1,862,388.79
5. Step 5: Solve for x
   x = 1,862,388.79/1,308.33
6. Step 6: Final answer
   x = 1,423.49