Finding the Fourth Proportional to 1,470.96, 2,175.66 and 1,470.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.96 : 2,175.66 = 1,470.96 : x
2. Step 2: Convert to fraction form
   1,470.96/2,175.66 = 1,470.96/x
3. Step 3: Cross multiply
   1,470.96x = 2,175.66 × 1,470.96
4. Step 4: Simplify right side
   1,470.96x = 3,200,308.83
5. Step 5: Solve for x
   x = 3,200,308.83/1,470.96
6. Step 6: Final answer
   x = 2,175.66