Finding the Fourth Proportional to 2,218.56, 3,061.08 and 1,432.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.56 : 3,061.08 = 1,432.47 : x
2. Step 2: Convert to fraction form
   2,218.56/3,061.08 = 1,432.47/x
3. Step 3: Cross multiply
   2,218.56x = 3,061.08 × 1,432.47
4. Step 4: Simplify right side
   2,218.56x = 4,384,905.27
5. Step 5: Solve for x
   x = 4,384,905.27/2,218.56
6. Step 6: Final answer
   x = 1,976.46