Finding the Fourth Proportional to 9,310.72, 12,848.96 and 5,118.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.72 : 12,848.96 = 5,118.96 : x
2. Step 2: Convert to fraction form
   9,310.72/12,848.96 = 5,118.96/x
3. Step 3: Cross multiply
   9,310.72x = 12,848.96 × 5,118.96
4. Step 4: Simplify right side
   9,310.72x = 65,773,312.28
5. Step 5: Solve for x
   x = 65,773,312.28/9,310.72
6. Step 6: Final answer
   x = 7,064.26