Finding the Fourth Proportional to 1,344.98, 1,855.91 and 785.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.98 : 1,855.91 = 785.59 : x
2. Step 2: Convert to fraction form
   1,344.98/1,855.91 = 785.59/x
3. Step 3: Cross multiply
   1,344.98x = 1,855.91 × 785.59
4. Step 4: Simplify right side
   1,344.98x = 1,457,981.66
5. Step 5: Solve for x
   x = 1,457,981.66/1,344.98
6. Step 6: Final answer
   x = 1,084.02