Finding the Fourth Proportional to 87,271.89, 120,428.05 and 49,029.33

Step by Step Solution

1. Step 1: Write the proportion equation
   87,271.89 : 120,428.05 = 49,029.33 : x
2. Step 2: Convert to fraction form
   87,271.89/120,428.05 = 49,029.33/x
3. Step 3: Cross multiply
   87,271.89x = 120,428.05 × 49,029.33
4. Step 4: Simplify right side
   87,271.89x = 5,904,506,359.56
5. Step 5: Solve for x
   x = 5,904,506,359.56/87,271.89
6. Step 6: Final answer
   x = 67,656.45