Finding the Fourth Proportional to 1,656.72, 2,470.20 and 1,627.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656.72 : 2,470.20 = 1,627.56 : x
2. Step 2: Convert to fraction form
   1,656.72/2,470.20 = 1,627.56/x
3. Step 3: Cross multiply
   1,656.72x = 2,470.20 × 1,627.56
4. Step 4: Simplify right side
   1,656.72x = 4,020,398.71
5. Step 5: Solve for x
   x = 4,020,398.71/1,656.72
6. Step 6: Final answer
   x = 2,426.72