Finding the Fourth Proportional to 49,981.50, 68,978.52 and 28,767.60

Step by Step Solution

1. Step 1: Write the proportion equation
   49,981.50 : 68,978.52 = 28,767.60 : x
2. Step 2: Convert to fraction form
   49,981.50/68,978.52 = 28,767.60/x
3. Step 3: Cross multiply
   49,981.50x = 68,978.52 × 28,767.60
4. Step 4: Simplify right side
   49,981.50x = 1,984,346,471.95
5. Step 5: Solve for x
   x = 1,984,346,471.95/49,981.50
6. Step 6: Final answer
   x = 39,701.62