Finding the Fourth Proportional to 1,341.34, 1,850.88 and 781.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.34 : 1,850.88 = 781.99 : x
2. Step 2: Convert to fraction form
   1,341.34/1,850.88 = 781.99/x
3. Step 3: Cross multiply
   1,341.34x = 1,850.88 × 781.99
4. Step 4: Simplify right side
   1,341.34x = 1,447,369.65
5. Step 5: Solve for x
   x = 1,447,369.65/1,341.34
6. Step 6: Final answer
   x = 1,079.05