Finding the Fourth Proportional to 33,758.64, 50,643.90 and 12,980.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,758.64 : 50,643.90 = 12,980.52 : x
2. Step 2: Convert to fraction form
   33,758.64/50,643.90 = 12,980.52/x
3. Step 3: Cross multiply
   33,758.64x = 50,643.90 × 12,980.52
4. Step 4: Simplify right side
   33,758.64x = 657,384,156.83
5. Step 5: Solve for x
   x = 657,384,156.83/33,758.64
6. Step 6: Final answer
   x = 19,473.06