Finding the Fourth Proportional to 17,755.93, 26,631.53 and 5,275.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,755.93 : 26,631.53 = 5,275.72 : x
2. Step 2: Convert to fraction form
   17,755.93/26,631.53 = 5,275.72/x
3. Step 3: Cross multiply
   17,755.93x = 26,631.53 × 5,275.72
4. Step 4: Simplify right side
   17,755.93x = 140,500,495.45
5. Step 5: Solve for x
   x = 140,500,495.45/17,755.93
6. Step 6: Final answer
   x = 7,912.88