Finding the Fourth Proportional to 1,806.40, 2,492.83 and 1,060.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.40 : 2,492.83 = 1,060.21 : x
2. Step 2: Convert to fraction form
   1,806.40/2,492.83 = 1,060.21/x
3. Step 3: Cross multiply
   1,806.40x = 2,492.83 × 1,060.21
4. Step 4: Simplify right side
   1,806.40x = 2,642,928.78
5. Step 5: Solve for x
   x = 2,642,928.78/1,806.40
6. Step 6: Final answer
   x = 1,463.09