Finding the Fourth Proportional to 9,178.18, 12,667.93 and 5,201.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,178.18 : 12,667.93 = 5,201.48 : x
2. Step 2: Convert to fraction form
   9,178.18/12,667.93 = 5,201.48/x
3. Step 3: Cross multiply
   9,178.18x = 12,667.93 × 5,201.48
4. Step 4: Simplify right side
   9,178.18x = 65,892,003.20
5. Step 5: Solve for x
   x = 65,892,003.20/9,178.18
6. Step 6: Final answer
   x = 7,179.20