Finding the Fourth Proportional to 33,941.58, 50,892.93 and 13,140.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,941.58 : 50,892.93 = 13,140.78 : x
2. Step 2: Convert to fraction form
   33,941.58/50,892.93 = 13,140.78/x
3. Step 3: Cross multiply
   33,941.58x = 50,892.93 × 13,140.78
4. Step 4: Simplify right side
   33,941.58x = 668,772,796.69
5. Step 5: Solve for x
   x = 668,772,796.69/33,941.58
6. Step 6: Final answer
   x = 19,703.64