Finding the Fourth Proportional to 2,443.52, 3,374.80 and 1,656.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.52 : 3,374.80 = 1,656.20 : x
2. Step 2: Convert to fraction form
   2,443.52/3,374.80 = 1,656.20/x
3. Step 3: Cross multiply
   2,443.52x = 3,374.80 × 1,656.20
4. Step 4: Simplify right side
   2,443.52x = 5,589,343.76
5. Step 5: Solve for x
   x = 5,589,343.76/2,443.52
6. Step 6: Final answer
   x = 2,287.41