Finding the Fourth Proportional to 82,990.54, 114,526.42 and 47,180.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,990.54 : 114,526.42 = 47,180.56 : x
2. Step 2: Convert to fraction form
   82,990.54/114,526.42 = 47,180.56/x
3. Step 3: Cross multiply
   82,990.54x = 114,526.42 × 47,180.56
4. Step 4: Simplify right side
   82,990.54x = 5,403,420,630.40
5. Step 5: Solve for x
   x = 5,403,420,630.40/82,990.54
6. Step 6: Final answer
   x = 65,108.87