Finding the Fourth Proportional to 48,989.82, 67,598.79 and 28,834.86

Step by Step Solution

1. Step 1: Write the proportion equation
   48,989.82 : 67,598.79 = 28,834.86 : x
2. Step 2: Convert to fraction form
   48,989.82/67,598.79 = 28,834.86/x
3. Step 3: Cross multiply
   48,989.82x = 67,598.79 × 28,834.86
4. Step 4: Simplify right side
   48,989.82x = 1,949,201,645.82
5. Step 5: Solve for x
   x = 1,949,201,645.82/48,989.82
6. Step 6: Final answer
   x = 39,787.89