Finding the Fourth Proportional to 10,868.63, 16,298.69 and 4,631.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.63 : 16,298.69 = 4,631.49 : x
2. Step 2: Convert to fraction form
   10,868.63/16,298.69 = 4,631.49/x
3. Step 3: Cross multiply
   10,868.63x = 16,298.69 × 4,631.49
4. Step 4: Simplify right side
   10,868.63x = 75,487,196.59
5. Step 5: Solve for x
   x = 75,487,196.59/10,868.63
6. Step 6: Final answer
   x = 6,945.42