Finding the Fourth Proportional to 9,179.11, 12,667.94 and 5,200.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,179.11 : 12,667.94 = 5,200.93 : x
2. Step 2: Convert to fraction form
   9,179.11/12,667.94 = 5,200.93/x
3. Step 3: Cross multiply
   9,179.11x = 12,667.94 × 5,200.93
4. Step 4: Simplify right side
   9,179.11x = 65,885,069.18
5. Step 5: Solve for x
   x = 65,885,069.18/9,179.11
6. Step 6: Final answer
   x = 7,177.72