Finding the Fourth Proportional to 17,753.86, 26,621.46 and 5,272.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,753.86 : 26,621.46 = 5,272.17 : x
2. Step 2: Convert to fraction form
   17,753.86/26,621.46 = 5,272.17/x
3. Step 3: Cross multiply
   17,753.86x = 26,621.46 × 5,272.17
4. Step 4: Simplify right side
   17,753.86x = 140,352,762.94
5. Step 5: Solve for x
   x = 140,352,762.94/17,753.86
6. Step 6: Final answer
   x = 7,905.48