Finding the Fourth Proportional to 10,779.09, 14,860.31 and 7,375.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,779.09 : 14,860.31 = 7,375.47 : x
2. Step 2: Convert to fraction form
   10,779.09/14,860.31 = 7,375.47/x
3. Step 3: Cross multiply
   10,779.09x = 14,860.31 × 7,375.47
4. Step 4: Simplify right side
   10,779.09x = 109,601,733.72
5. Step 5: Solve for x
   x = 109,601,733.72/10,779.09
6. Step 6: Final answer
   x = 10,168.00