Finding the Fourth Proportional to 7,992.72, 10,971.27 and 7,088.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,992.72 : 10,971.27 = 7,088.76 : x
2. Step 2: Convert to fraction form
   7,992.72/10,971.27 = 7,088.76/x
3. Step 3: Cross multiply
   7,992.72x = 10,971.27 × 7,088.76
4. Step 4: Simplify right side
   7,992.72x = 77,772,699.93
5. Step 5: Solve for x
   x = 77,772,699.93/7,992.72
6. Step 6: Final answer
   x = 9,730.44