Finding the Fourth Proportional to 17,870.88, 26,805.16 and 7,338.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.88 : 26,805.16 = 7,338.17 : x
2. Step 2: Convert to fraction form
   17,870.88/26,805.16 = 7,338.17/x
3. Step 3: Cross multiply
   17,870.88x = 26,805.16 × 7,338.17
4. Step 4: Simplify right side
   17,870.88x = 196,700,897.14
5. Step 5: Solve for x
   x = 196,700,897.14/17,870.88
6. Step 6: Final answer
   x = 11,006.78