Finding the Fourth Proportional to 10,878.17, 16,326.50 and 4,308.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,878.17 : 16,326.50 = 4,308.93 : x
2. Step 2: Convert to fraction form
   10,878.17/16,326.50 = 4,308.93/x
3. Step 3: Cross multiply
   10,878.17x = 16,326.50 × 4,308.93
4. Step 4: Simplify right side
   10,878.17x = 70,349,724.10
5. Step 5: Solve for x
   x = 70,349,724.10/10,878.17
6. Step 6: Final answer
   x = 6,467.06