Finding the Fourth Proportional to 12,992.14, 19,490.27 and 5,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,992.14 : 19,490.27 = 5,598.72 : x
2. Step 2: Convert to fraction form
   12,992.14/19,490.27 = 5,598.72/x
3. Step 3: Cross multiply
   12,992.14x = 19,490.27 × 5,598.72
4. Step 4: Simplify right side
   12,992.14x = 109,120,564.45
5. Step 5: Solve for x
   x = 109,120,564.45/12,992.14
6. Step 6: Final answer
   x = 8,398.97