Finding the Fourth Proportional to 10,934.31, 16,386.94 and 4,356.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,934.31 : 16,386.94 = 4,356.88 : x
2. Step 2: Convert to fraction form
   10,934.31/16,386.94 = 4,356.88/x
3. Step 3: Cross multiply
   10,934.31x = 16,386.94 × 4,356.88
4. Step 4: Simplify right side
   10,934.31x = 71,395,931.15
5. Step 5: Solve for x
   x = 71,395,931.15/10,934.31
6. Step 6: Final answer
   x = 6,529.53