Finding the Fourth Proportional to 17,667.72, 26,495.10 and 5,184.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.72 : 26,495.10 = 5,184.54 : x
2. Step 2: Convert to fraction form
   17,667.72/26,495.10 = 5,184.54/x
3. Step 3: Cross multiply
   17,667.72x = 26,495.10 × 5,184.54
4. Step 4: Simplify right side
   17,667.72x = 137,364,905.75
5. Step 5: Solve for x
   x = 137,364,905.75/17,667.72
6. Step 6: Final answer
   x = 7,774.91