Finding the Fourth Proportional to 6,978.88, 10,461.72 and 2,593.36

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.88 : 10,461.72 = 2,593.36 : x
2. Step 2: Convert to fraction form
   6,978.88/10,461.72 = 2,593.36/x
3. Step 3: Cross multiply
   6,978.88x = 10,461.72 × 2,593.36
4. Step 4: Simplify right side
   6,978.88x = 27,131,006.18
5. Step 5: Solve for x
   x = 27,131,006.18/6,978.88
6. Step 6: Final answer
   x = 3,887.59