Finding the Fourth Proportional to 17,751.89, 26,631.99 and 5,272.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,751.89 : 26,631.99 = 5,272.02 : x
2. Step 2: Convert to fraction form
   17,751.89/26,631.99 = 5,272.02/x
3. Step 3: Cross multiply
   17,751.89x = 26,631.99 × 5,272.02
4. Step 4: Simplify right side
   17,751.89x = 140,404,383.92
5. Step 5: Solve for x
   x = 140,404,383.92/17,751.89
6. Step 6: Final answer
   x = 7,909.26