Finding the Fourth Proportional to 9,928.32, 13,702.24 and 5,736.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.32 : 13,702.24 = 5,736.48 : x
2. Step 2: Convert to fraction form
   9,928.32/13,702.24 = 5,736.48/x
3. Step 3: Cross multiply
   9,928.32x = 13,702.24 × 5,736.48
4. Step 4: Simplify right side
   9,928.32x = 78,602,625.72
5. Step 5: Solve for x
   x = 78,602,625.72/9,928.32
6. Step 6: Final answer
   x = 7,917.01