Finding the Fourth Proportional to 17,677.56, 26,523.69 and 7,155.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.56 : 26,523.69 = 7,155.02 : x
2. Step 2: Convert to fraction form
   17,677.56/26,523.69 = 7,155.02/x
3. Step 3: Cross multiply
   17,677.56x = 26,523.69 × 7,155.02
4. Step 4: Simplify right side
   17,677.56x = 189,777,571.90
5. Step 5: Solve for x
   x = 189,777,571.90/17,677.56
6. Step 6: Final answer
   x = 10,735.50