Finding the Fourth Proportional to 16,090.56, 24,129.92 and 5,557.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,090.56 : 24,129.92 = 5,557.90 : x
2. Step 2: Convert to fraction form
   16,090.56/24,129.92 = 5,557.90/x
3. Step 3: Cross multiply
   16,090.56x = 24,129.92 × 5,557.90
4. Step 4: Simplify right side
   16,090.56x = 134,111,682.37
5. Step 5: Solve for x
   x = 134,111,682.37/16,090.56
6. Step 6: Final answer
   x = 8,334.81