Finding the Fourth Proportional to 11,859.03, 17,776.25 and 5,288.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,859.03 : 17,776.25 = 5,288.31 : x
2. Step 2: Convert to fraction form
   11,859.03/17,776.25 = 5,288.31/x
3. Step 3: Cross multiply
   11,859.03x = 17,776.25 × 5,288.31
4. Step 4: Simplify right side
   11,859.03x = 94,006,294.20
5. Step 5: Solve for x
   x = 94,006,294.20/11,859.03
6. Step 6: Final answer
   x = 7,926.98