Finding the Fourth Proportional to 12,557.01, 18,844.56 and 5,983.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,557.01 : 18,844.56 = 5,983.05 : x
2. Step 2: Convert to fraction form
   12,557.01/18,844.56 = 5,983.05/x
3. Step 3: Cross multiply
   12,557.01x = 18,844.56 × 5,983.05
4. Step 4: Simplify right side
   12,557.01x = 112,747,944.71
5. Step 5: Solve for x
   x = 112,747,944.71/12,557.01
6. Step 6: Final answer
   x = 8,978.88