Finding the Fourth Proportional to 2,225.86, 3,070.52 and 1,806.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.86 : 3,070.52 = 1,806.68 : x
2. Step 2: Convert to fraction form
   2,225.86/3,070.52 = 1,806.68/x
3. Step 3: Cross multiply
   2,225.86x = 3,070.52 × 1,806.68
4. Step 4: Simplify right side
   2,225.86x = 5,547,447.07
5. Step 5: Solve for x
   x = 5,547,447.07/2,225.86
6. Step 6: Final answer
   x = 2,492.27