Finding the Fourth Proportional to 1,470.72, 2,202.84 and 981.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.72 : 2,202.84 = 981.48 : x
2. Step 2: Convert to fraction form
   1,470.72/2,202.84 = 981.48/x
3. Step 3: Cross multiply
   1,470.72x = 2,202.84 × 981.48
4. Step 4: Simplify right side
   1,470.72x = 2,162,043.40
5. Step 5: Solve for x
   x = 2,162,043.40/1,470.72
6. Step 6: Final answer
   x = 1,470.06