Finding the Fourth Proportional to 17,077.77, 25,619.31 and 7,217.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,077.77 : 25,619.31 = 7,217.10 : x
2. Step 2: Convert to fraction form
   17,077.77/25,619.31 = 7,217.10/x
3. Step 3: Cross multiply
   17,077.77x = 25,619.31 × 7,217.10
4. Step 4: Simplify right side
   17,077.77x = 184,897,122.20
5. Step 5: Solve for x
   x = 184,897,122.20/17,077.77
6. Step 6: Final answer
   x = 10,826.77