Finding the Fourth Proportional to 42,256.57, 63,380.73 and 11,091.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256.57 : 63,380.73 = 11,091.82 : x
2. Step 2: Convert to fraction form
   42,256.57/63,380.73 = 11,091.82/x
3. Step 3: Cross multiply
   42,256.57x = 63,380.73 × 11,091.82
4. Step 4: Simplify right side
   42,256.57x = 703,007,648.63
5. Step 5: Solve for x
   x = 703,007,648.63/42,256.57
6. Step 6: Final answer
   x = 16,636.65