Finding the Fourth Proportional to 1,630.56, 2,250.54 and 1,368.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.56 : 2,250.54 = 1,368.12 : x
2. Step 2: Convert to fraction form
   1,630.56/2,250.54 = 1,368.12/x
3. Step 3: Cross multiply
   1,630.56x = 2,250.54 × 1,368.12
4. Step 4: Simplify right side
   1,630.56x = 3,079,008.78
5. Step 5: Solve for x
   x = 3,079,008.78/1,630.56
6. Step 6: Final answer
   x = 1,888.31