Finding the Fourth Proportional to 4,779.69, 7,168.32 and 1,492.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,779.69 : 7,168.32 = 1,492.71 : x
2. Step 2: Convert to fraction form
   4,779.69/7,168.32 = 1,492.71/x
3. Step 3: Cross multiply
   4,779.69x = 7,168.32 × 1,492.71
4. Step 4: Simplify right side
   4,779.69x = 10,700,222.95
5. Step 5: Solve for x
   x = 10,700,222.95/4,779.69
6. Step 6: Final answer
   x = 2,238.69