Finding the Fourth Proportional to 1,064.39, 1,468.43 and 785.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.39 : 1,468.43 = 785.29 : x
2. Step 2: Convert to fraction form
   1,064.39/1,468.43 = 785.29/x
3. Step 3: Cross multiply
   1,064.39x = 1,468.43 × 785.29
4. Step 4: Simplify right side
   1,064.39x = 1,153,145.91
5. Step 5: Solve for x
   x = 1,153,145.91/1,064.39
6. Step 6: Final answer
   x = 1,083.39