Finding the Fourth Proportional to 2,154.87, 2,970.27 and 1,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.87 : 2,970.27 = 1,656.72 : x
2. Step 2: Convert to fraction form
   2,154.87/2,970.27 = 1,656.72/x
3. Step 3: Cross multiply
   2,154.87x = 2,970.27 × 1,656.72
4. Step 4: Simplify right side
   2,154.87x = 4,920,905.71
5. Step 5: Solve for x
   x = 4,920,905.71/2,154.87
6. Step 6: Final answer
   x = 2,283.62