Finding the Fourth Proportional to 17,072.63, 25,612.71 and 5,226.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,072.63 : 25,612.71 = 5,226.50 : x
2. Step 2: Convert to fraction form
   17,072.63/25,612.71 = 5,226.50/x
3. Step 3: Cross multiply
   17,072.63x = 25,612.71 × 5,226.50
4. Step 4: Simplify right side
   17,072.63x = 133,864,700.75
5. Step 5: Solve for x
   x = 133,864,700.75/17,072.63
6. Step 6: Final answer
   x = 7,840.89