Finding the Fourth Proportional to 16,535.78, 24,807.40 and 5,442.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,535.78 : 24,807.40 = 5,442.07 : x
2. Step 2: Convert to fraction form
   16,535.78/24,807.40 = 5,442.07/x
3. Step 3: Cross multiply
   16,535.78x = 24,807.40 × 5,442.07
4. Step 4: Simplify right side
   16,535.78x = 135,003,607.32
5. Step 5: Solve for x
   x = 135,003,607.32/16,535.78
6. Step 6: Final answer
   x = 8,164.33