Finding the Fourth Proportional to 87,667.25, 120,980.81 and 49,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,667.25 : 120,980.81 = 49,941.50 : x
2. Step 2: Convert to fraction form
   87,667.25/120,980.81 = 49,941.50/x
3. Step 3: Cross multiply
   87,667.25x = 120,980.81 × 49,941.50
4. Step 4: Simplify right side
   87,667.25x = 6,041,963,122.62
5. Step 5: Solve for x
   x = 6,041,963,122.62/87,667.25
6. Step 6: Final answer
   x = 68,919.27