Finding the Fourth Proportional to 9,908.08, 13,672.52 and 5,716

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.08 : 13,672.52 = 5,716 : x
2. Step 2: Convert to fraction form
   9,908.08/13,672.52 = 5,716/x
3. Step 3: Cross multiply
   9,908.08x = 13,672.52 × 5,716
4. Step 4: Simplify right side
   9,908.08x = 78,152,124.32
5. Step 5: Solve for x
   x = 78,152,124.32/9,908.08
6. Step 6: Final answer
   x = 7,887.72