Finding the Fourth Proportional to 11,034.17, 16,558.55 and 5,191.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,034.17 : 16,558.55 = 5,191.23 : x
2. Step 2: Convert to fraction form
   11,034.17/16,558.55 = 5,191.23/x
3. Step 3: Cross multiply
   11,034.17x = 16,558.55 × 5,191.23
4. Step 4: Simplify right side
   11,034.17x = 85,959,215.56
5. Step 5: Solve for x
   x = 85,959,215.56/11,034.17
6. Step 6: Final answer
   x = 7,790.28