Finding the Fourth Proportional to 10,300.80, 15,467.40 and 5,926.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.80 : 15,467.40 = 5,926.80 : x
2. Step 2: Convert to fraction form
   10,300.80/15,467.40 = 5,926.80/x
3. Step 3: Cross multiply
   10,300.80x = 15,467.40 × 5,926.80
4. Step 4: Simplify right side
   10,300.80x = 91,672,186.32
5. Step 5: Solve for x
   x = 91,672,186.32/10,300.80
6. Step 6: Final answer
   x = 8,899.52