Finding the Fourth Proportional to 1,693.42, 2,336.10 and 1,064.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.42 : 2,336.10 = 1,064.72 : x
2. Step 2: Convert to fraction form
   1,693.42/2,336.10 = 1,064.72/x
3. Step 3: Cross multiply
   1,693.42x = 2,336.10 × 1,064.72
4. Step 4: Simplify right side
   1,693.42x = 2,487,292.39
5. Step 5: Solve for x
   x = 2,487,292.39/1,693.42
6. Step 6: Final answer
   x = 1,468.80