Finding the Fourth Proportional to 1,906.61, 2,860.65 and 1,363.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.61 : 2,860.65 = 1,363.10 : x
2. Step 2: Convert to fraction form
   1,906.61/2,860.65 = 1,363.10/x
3. Step 3: Cross multiply
   1,906.61x = 2,860.65 × 1,363.10
4. Step 4: Simplify right side
   1,906.61x = 3,899,337.71
5. Step 5: Solve for x
   x = 3,899,337.71/1,906.61
6. Step 6: Final answer
   x = 2,045.17