Finding the Fourth Proportional to 16,335.84, 24,507.72 and 5,242.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,335.84 : 24,507.72 = 5,242.56 : x
2. Step 2: Convert to fraction form
   16,335.84/24,507.72 = 5,242.56/x
3. Step 3: Cross multiply
   16,335.84x = 24,507.72 × 5,242.56
4. Step 4: Simplify right side
   16,335.84x = 128,483,192.56
5. Step 5: Solve for x
   x = 128,483,192.56/16,335.84
6. Step 6: Final answer
   x = 7,865.11