Finding the Fourth Proportional to 82,872, 114,365.76 and 47,064

Step by Step Solution

1. Step 1: Write the proportion equation
   82,872 : 114,365.76 = 47,064 : x
2. Step 2: Convert to fraction form
   82,872/114,365.76 = 47,064/x
3. Step 3: Cross multiply
   82,872x = 114,365.76 × 47,064
4. Step 4: Simplify right side
   82,872x = 5,382,510,128.64
5. Step 5: Solve for x
   x = 5,382,510,128.64/82,872
6. Step 6: Final answer
   x = 64,949.68