Finding the Fourth Proportional to 17,799.38, 26,698.15 and 5,319.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,799.38 : 26,698.15 = 5,319.51 : x
2. Step 2: Convert to fraction form
   17,799.38/26,698.15 = 5,319.51/x
3. Step 3: Cross multiply
   17,799.38x = 26,698.15 × 5,319.51
4. Step 4: Simplify right side
   17,799.38x = 142,020,915.82
5. Step 5: Solve for x
   x = 142,020,915.82/17,799.38
6. Step 6: Final answer
   x = 7,978.98