Finding the Fourth Proportional to 17,667.78, 26,502.58 and 4,520.26

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.78 : 26,502.58 = 4,520.26 : x
2. Step 2: Convert to fraction form
   17,667.78/26,502.58 = 4,520.26/x
3. Step 3: Cross multiply
   17,667.78x = 26,502.58 × 4,520.26
4. Step 4: Simplify right side
   17,667.78x = 119,798,552.27
5. Step 5: Solve for x
   x = 119,798,552.27/17,667.78
6. Step 6: Final answer
   x = 6,780.62