Finding the Fourth Proportional to 4,779.38, 7,168.81 and 1,492.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,779.38 : 7,168.81 = 1,492.10 : x
2. Step 2: Convert to fraction form
   4,779.38/7,168.81 = 1,492.10/x
3. Step 3: Cross multiply
   4,779.38x = 7,168.81 × 1,492.10
4. Step 4: Simplify right side
   4,779.38x = 10,696,538.10
5. Step 5: Solve for x
   x = 10,696,538.10/4,779.38
6. Step 6: Final answer
   x = 2,238.06