Finding the Fourth Proportional to 53,978.43, 80,885.61 and 34,197

Step by Step Solution

1. Step 1: Write the proportion equation
   53,978.43 : 80,885.61 = 34,197 : x
2. Step 2: Convert to fraction form
   53,978.43/80,885.61 = 34,197/x
3. Step 3: Cross multiply
   53,978.43x = 80,885.61 × 34,197
4. Step 4: Simplify right side
   53,978.43x = 2,766,045,205.17
5. Step 5: Solve for x
   x = 2,766,045,205.17/53,978.43
6. Step 6: Final answer
   x = 51,243.53