Finding the Fourth Proportional to 82,989.93, 114,535.79 and 47,185.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,989.93 : 114,535.79 = 47,185.31 : x
2. Step 2: Convert to fraction form
   82,989.93/114,535.79 = 47,185.31/x
3. Step 3: Cross multiply
   82,989.93x = 114,535.79 × 47,185.31
4. Step 4: Simplify right side
   82,989.93x = 5,404,405,948.64
5. Step 5: Solve for x
   x = 5,404,405,948.64/82,989.93
6. Step 6: Final answer
   x = 65,121.23