Finding the Fourth Proportional to 49,104.89, 67,790.37 and 38,178.80

Step by Step Solution

1. Step 1: Write the proportion equation
   49,104.89 : 67,790.37 = 38,178.80 : x
2. Step 2: Convert to fraction form
   49,104.89/67,790.37 = 38,178.80/x
3. Step 3: Cross multiply
   49,104.89x = 67,790.37 × 38,178.80
4. Step 4: Simplify right side
   49,104.89x = 2,588,154,978.16
5. Step 5: Solve for x
   x = 2,588,154,978.16/49,104.89
6. Step 6: Final answer
   x = 52,706.66