Finding the Fourth Proportional to 1,693.32, 2,337.88 and 1,064.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.32 : 2,337.88 = 1,064.72 : x
2. Step 2: Convert to fraction form
   1,693.32/2,337.88 = 1,064.72/x
3. Step 3: Cross multiply
   1,693.32x = 2,337.88 × 1,064.72
4. Step 4: Simplify right side
   1,693.32x = 2,489,187.59
5. Step 5: Solve for x
   x = 2,489,187.59/1,693.32
6. Step 6: Final answer
   x = 1,470.00