Finding the Fourth Proportional to 17,768.61, 26,648.27 and 5,285.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,768.61 : 26,648.27 = 5,285.27 : x
2. Step 2: Convert to fraction form
   17,768.61/26,648.27 = 5,285.27/x
3. Step 3: Cross multiply
   17,768.61x = 26,648.27 × 5,285.27
4. Step 4: Simplify right side
   17,768.61x = 140,843,342.18
5. Step 5: Solve for x
   x = 140,843,342.18/17,768.61
6. Step 6: Final answer
   x = 7,926.53