Finding the Fourth Proportional to 1,513.50, 2,274.42 and 1,323.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.50 : 2,274.42 = 1,323.06 : x
2. Step 2: Convert to fraction form
   1,513.50/2,274.42 = 1,323.06/x
3. Step 3: Cross multiply
   1,513.50x = 2,274.42 × 1,323.06
4. Step 4: Simplify right side
   1,513.50x = 3,009,194.13
5. Step 5: Solve for x
   x = 3,009,194.13/1,513.50
6. Step 6: Final answer
   x = 1,988.24