Finding the Fourth Proportional to 10,935.81, 16,386.71 and 4,359.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.81 : 16,386.71 = 4,359.02 : x
2. Step 2: Convert to fraction form
   10,935.81/16,386.71 = 4,359.02/x
3. Step 3: Cross multiply
   10,935.81x = 16,386.71 × 4,359.02
4. Step 4: Simplify right side
   10,935.81x = 71,429,892.90
5. Step 5: Solve for x
   x = 71,429,892.90/10,935.81
6. Step 6: Final answer
   x = 6,531.74