Finding the Fourth Proportional to 1,838.89, 2,755.70 and 1,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.89 : 2,755.70 = 1,426.10 : x
2. Step 2: Convert to fraction form
   1,838.89/2,755.70 = 1,426.10/x
3. Step 3: Cross multiply
   1,838.89x = 2,755.70 × 1,426.10
4. Step 4: Simplify right side
   1,838.89x = 3,929,889.99
5. Step 5: Solve for x
   x = 3,929,889.99/1,838.89
6. Step 6: Final answer
   x = 2,137.10