Finding the Fourth Proportional to 17,557.56, 26,346.06 and 7,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,557.56 : 26,346.06 = 7,168.50 : x
2. Step 2: Convert to fraction form
   17,557.56/26,346.06 = 7,168.50/x
3. Step 3: Cross multiply
   17,557.56x = 26,346.06 × 7,168.50
4. Step 4: Simplify right side
   17,557.56x = 188,861,731.11
5. Step 5: Solve for x
   x = 188,861,731.11/17,557.56
6. Step 6: Final answer
   x = 10,756.72