Finding the Fourth Proportional to 17,667.88, 26,501.50 and 4,520.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.88 : 26,501.50 = 4,520.12 : x
2. Step 2: Convert to fraction form
   17,667.88/26,501.50 = 4,520.12/x
3. Step 3: Cross multiply
   17,667.88x = 26,501.50 × 4,520.12
4. Step 4: Simplify right side
   17,667.88x = 119,789,960.18
5. Step 5: Solve for x
   x = 119,789,960.18/17,667.88
6. Step 6: Final answer
   x = 6,780.10