Finding the Fourth Proportional to 33,980.78, 50,969.76 and 17,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,980.78 : 50,969.76 = 17,340.50 : x
2. Step 2: Convert to fraction form
   33,980.78/50,969.76 = 17,340.50/x
3. Step 3: Cross multiply
   33,980.78x = 50,969.76 × 17,340.50
4. Step 4: Simplify right side
   33,980.78x = 883,841,123.28
5. Step 5: Solve for x
   x = 883,841,123.28/33,980.78
6. Step 6: Final answer
   x = 26,010.03