Finding the Fourth Proportional to 83,958.31, 125,981.21 and 37,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,958.31 : 125,981.21 = 37,200.25 : x
2. Step 2: Convert to fraction form
   83,958.31/125,981.21 = 37,200.25/x
3. Step 3: Cross multiply
   83,958.31x = 125,981.21 × 37,200.25
4. Step 4: Simplify right side
   83,958.31x = 4,686,532,507.30
5. Step 5: Solve for x
   x = 4,686,532,507.30/83,958.31
6. Step 6: Final answer
   x = 55,819.76