Finding the Fourth Proportional to 82,992.42, 114,539.25 and 47,187.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,992.42 : 114,539.25 = 47,187.78 : x
2. Step 2: Convert to fraction form
   82,992.42/114,539.25 = 47,187.78/x
3. Step 3: Cross multiply
   82,992.42x = 114,539.25 × 47,187.78
4. Step 4: Simplify right side
   82,992.42x = 5,404,852,930.37
5. Step 5: Solve for x
   x = 5,404,852,930.37/82,992.42
6. Step 6: Final answer
   x = 65,124.66