Finding the Fourth Proportional to 10,779.44, 16,155.18 and 5,225.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,779.44 : 16,155.18 = 5,225.06 : x
2. Step 2: Convert to fraction form
   10,779.44/16,155.18 = 5,225.06/x
3. Step 3: Cross multiply
   10,779.44x = 16,155.18 × 5,225.06
4. Step 4: Simplify right side
   10,779.44x = 84,411,825.20
5. Step 5: Solve for x
   x = 84,411,825.20/10,779.44
6. Step 6: Final answer
   x = 7,830.82