Finding the Fourth Proportional to 17,801.38, 26,701.14 and 5,321.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,801.38 : 26,701.14 = 5,321.51 : x
2. Step 2: Convert to fraction form
   17,801.38/26,701.14 = 5,321.51/x
3. Step 3: Cross multiply
   17,801.38x = 26,701.14 × 5,321.51
4. Step 4: Simplify right side
   17,801.38x = 142,090,383.52
5. Step 5: Solve for x
   x = 142,090,383.52/17,801.38
6. Step 6: Final answer
   x = 7,981.99