Finding the Fourth Proportional to 12,996.54, 19,491.12 and 5,597.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.54 : 19,491.12 = 5,597.16 : x
2. Step 2: Convert to fraction form
   12,996.54/19,491.12 = 5,597.16/x
3. Step 3: Cross multiply
   12,996.54x = 19,491.12 × 5,597.16
4. Step 4: Simplify right side
   12,996.54x = 109,094,917.22
5. Step 5: Solve for x
   x = 109,094,917.22/12,996.54
6. Step 6: Final answer
   x = 8,394.15