Finding the Fourth Proportional to 1,531.16, 2,111.10 and 1,449.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531.16 : 2,111.10 = 1,449.08 : x
2. Step 2: Convert to fraction form
   1,531.16/2,111.10 = 1,449.08/x
3. Step 3: Cross multiply
   1,531.16x = 2,111.10 × 1,449.08
4. Step 4: Simplify right side
   1,531.16x = 3,059,152.79
5. Step 5: Solve for x
   x = 3,059,152.79/1,531.16
6. Step 6: Final answer
   x = 1,997.93