Finding the Fourth Proportional to 83,023.84, 124,406.16 and 47,980

Step by Step Solution

1. Step 1: Write the proportion equation
   83,023.84 : 124,406.16 = 47,980 : x
2. Step 2: Convert to fraction form
   83,023.84/124,406.16 = 47,980/x
3. Step 3: Cross multiply
   83,023.84x = 124,406.16 × 47,980
4. Step 4: Simplify right side
   83,023.84x = 5,969,007,556.80
5. Step 5: Solve for x
   x = 5,969,007,556.80/83,023.84
6. Step 6: Final answer
   x = 71,895.10