Finding the Fourth Proportional to 1,962.43, 2,943.34 and 1,853.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.43 : 2,943.34 = 1,853.99 : x
2. Step 2: Convert to fraction form
   1,962.43/2,943.34 = 1,853.99/x
3. Step 3: Cross multiply
   1,962.43x = 2,943.34 × 1,853.99
4. Step 4: Simplify right side
   1,962.43x = 5,456,914.61
5. Step 5: Solve for x
   x = 5,456,914.61/1,962.43
6. Step 6: Final answer
   x = 2,780.70