Finding the Fourth Proportional to 10,731.96, 16,100.64 and 4,887.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,731.96 : 16,100.64 = 4,887.18 : x
2. Step 2: Convert to fraction form
   10,731.96/16,100.64 = 4,887.18/x
3. Step 3: Cross multiply
   10,731.96x = 16,100.64 × 4,887.18
4. Step 4: Simplify right side
   10,731.96x = 78,686,725.80
5. Step 5: Solve for x
   x = 78,686,725.80/10,731.96
6. Step 6: Final answer
   x = 7,332.00