Finding the Fourth Proportional to 82,915.72, 114,427.74 and 47,105.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,915.72 : 114,427.74 = 47,105.08 : x
2. Step 2: Convert to fraction form
   82,915.72/114,427.74 = 47,105.08/x
3. Step 3: Cross multiply
   82,915.72x = 114,427.74 × 47,105.08
4. Step 4: Simplify right side
   82,915.72x = 5,390,127,846.92
5. Step 5: Solve for x
   x = 5,390,127,846.92/82,915.72
6. Step 6: Final answer
   x = 65,007.31