Finding the Fourth Proportional to 1,633.52, 2,451.72 and 1,120.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.52 : 2,451.72 = 1,120.88 : x
2. Step 2: Convert to fraction form
   1,633.52/2,451.72 = 1,120.88/x
3. Step 3: Cross multiply
   1,633.52x = 2,451.72 × 1,120.88
4. Step 4: Simplify right side
   1,633.52x = 2,748,071.66
5. Step 5: Solve for x
   x = 2,748,071.66/1,633.52
6. Step 6: Final answer
   x = 1,682.31