Finding the Fourth Proportional to 10,789.16, 16,185.24 and 4,865.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.16 : 16,185.24 = 4,865.22 : x
2. Step 2: Convert to fraction form
   10,789.16/16,185.24 = 4,865.22/x
3. Step 3: Cross multiply
   10,789.16x = 16,185.24 × 4,865.22
4. Step 4: Simplify right side
   10,789.16x = 78,744,753.35
5. Step 5: Solve for x
   x = 78,744,753.35/10,789.16
6. Step 6: Final answer
   x = 7,298.51