Finding the Fourth Proportional to 83,980, 125,977.29 and 21,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,980 : 125,977.29 = 21,650.50 : x
2. Step 2: Convert to fraction form
   83,980/125,977.29 = 21,650.50/x
3. Step 3: Cross multiply
   83,980x = 125,977.29 × 21,650.50
4. Step 4: Simplify right side
   83,980x = 2,727,471,317.15
5. Step 5: Solve for x
   x = 2,727,471,317.15/83,980
6. Step 6: Final answer
   x = 32,477.63