Finding the Fourth Proportional to 80,486.52, 120,639.42 and 37,812.84

Step by Step Solution

1. Step 1: Write the proportion equation
   80,486.52 : 120,639.42 = 37,812.84 : x
2. Step 2: Convert to fraction form
   80,486.52/120,639.42 = 37,812.84/x
3. Step 3: Cross multiply
   80,486.52x = 120,639.42 × 37,812.84
4. Step 4: Simplify right side
   80,486.52x = 4,561,719,086.15
5. Step 5: Solve for x
   x = 4,561,719,086.15/80,486.52
6. Step 6: Final answer
   x = 56,676.81