Finding the Fourth Proportional to 13,242.96, 19,847.16 and 5,447.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,242.96 : 19,847.16 = 5,447.52 : x
2. Step 2: Convert to fraction form
   13,242.96/19,847.16 = 5,447.52/x
3. Step 3: Cross multiply
   13,242.96x = 19,847.16 × 5,447.52
4. Step 4: Simplify right side
   13,242.96x = 108,117,801.04
5. Step 5: Solve for x
   x = 108,117,801.04/13,242.96
6. Step 6: Final answer
   x = 8,164.17