Finding the Fourth Proportional to 17,620.56, 26,428.14 and 4,472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.56 : 26,428.14 = 4,472.10 : x
2. Step 2: Convert to fraction form
   17,620.56/26,428.14 = 4,472.10/x
3. Step 3: Cross multiply
   17,620.56x = 26,428.14 × 4,472.10
4. Step 4: Simplify right side
   17,620.56x = 118,189,284.89
5. Step 5: Solve for x
   x = 118,189,284.89/17,620.56
6. Step 6: Final answer
   x = 6,707.46