Finding the Fourth Proportional to 83,978, 125,984.28 and 34,730

Step by Step Solution

1. Step 1: Write the proportion equation
   83,978 : 125,984.28 = 34,730 : x
2. Step 2: Convert to fraction form
   83,978/125,984.28 = 34,730/x
3. Step 3: Cross multiply
   83,978x = 125,984.28 × 34,730
4. Step 4: Simplify right side
   83,978x = 4,375,434,044.40
5. Step 5: Solve for x
   x = 4,375,434,044.40/83,978
6. Step 6: Final answer
   x = 52,102.15