Finding the Fourth Proportional to 87,272.55, 120,435.82 and 49,033.08

Step by Step Solution

1. Step 1: Write the proportion equation
   87,272.55 : 120,435.82 = 49,033.08 : x
2. Step 2: Convert to fraction form
   87,272.55/120,435.82 = 49,033.08/x
3. Step 3: Cross multiply
   87,272.55x = 120,435.82 × 49,033.08
4. Step 4: Simplify right side
   87,272.55x = 5,905,339,196.93
5. Step 5: Solve for x
   x = 5,905,339,196.93/87,272.55
6. Step 6: Final answer
   x = 67,665.48