Finding the Fourth Proportional to 87,274.84, 120,431.89 and 49,031.39

Step by Step Solution

1. Step 1: Write the proportion equation
   87,274.84 : 120,431.89 = 49,031.39 : x
2. Step 2: Convert to fraction form
   87,274.84/120,431.89 = 49,031.39/x
3. Step 3: Cross multiply
   87,274.84x = 120,431.89 × 49,031.39
4. Step 4: Simplify right side
   87,274.84x = 5,904,942,967.03
5. Step 5: Solve for x
   x = 5,904,942,967.03/87,274.84
6. Step 6: Final answer
   x = 67,659.17