Finding the Fourth Proportional to 1,371.23, 2,061.30 and 1,100.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.23 : 2,061.30 = 1,100.29 : x
2. Step 2: Convert to fraction form
   1,371.23/2,061.30 = 1,100.29/x
3. Step 3: Cross multiply
   1,371.23x = 2,061.30 × 1,100.29
4. Step 4: Simplify right side
   1,371.23x = 2,268,017.47
5. Step 5: Solve for x
   x = 2,268,017.47/1,371.23
6. Step 6: Final answer
   x = 1,654.00