Finding the Fourth Proportional to 11,427.98, 17,114.28 and 7,908.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,427.98 : 17,114.28 = 7,908.12 : x
2. Step 2: Convert to fraction form
   11,427.98/17,114.28 = 7,908.12/x
3. Step 3: Cross multiply
   11,427.98x = 17,114.28 × 7,908.12
4. Step 4: Simplify right side
   11,427.98x = 135,341,779.95
5. Step 5: Solve for x
   x = 135,341,779.95/11,427.98
6. Step 6: Final answer
   x = 11,843.02