Finding the Fourth Proportional to 9,992.42, 13,789.46 and 5,516.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.42 : 13,789.46 = 5,516.17 : x
2. Step 2: Convert to fraction form
   9,992.42/13,789.46 = 5,516.17/x
3. Step 3: Cross multiply
   9,992.42x = 13,789.46 × 5,516.17
4. Step 4: Simplify right side
   9,992.42x = 76,064,977.99
5. Step 5: Solve for x
   x = 76,064,977.99/9,992.42
6. Step 6: Final answer
   x = 7,612.27