Finding the Fourth Proportional to 10,143.32, 13,997.80 and 5,667.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.32 : 13,997.80 = 5,667.08 : x
2. Step 2: Convert to fraction form
   10,143.32/13,997.80 = 5,667.08/x
3. Step 3: Cross multiply
   10,143.32x = 13,997.80 × 5,667.08
4. Step 4: Simplify right side
   10,143.32x = 79,326,652.42
5. Step 5: Solve for x
   x = 79,326,652.42/10,143.32
6. Step 6: Final answer
   x = 7,820.58