Finding the Fourth Proportional to 9,667.19, 13,339.55 and 5,417.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.19 : 13,339.55 = 5,417.91 : x
2. Step 2: Convert to fraction form
   9,667.19/13,339.55 = 5,417.91/x
3. Step 3: Cross multiply
   9,667.19x = 13,339.55 × 5,417.91
4. Step 4: Simplify right side
   9,667.19x = 72,272,494.89
5. Step 5: Solve for x
   x = 72,272,494.89/9,667.19
6. Step 6: Final answer
   x = 7,476.06