Finding the Fourth Proportional to 42,629.76, 63,941.94 and 13,044.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,629.76 : 63,941.94 = 13,044.78 : x
2. Step 2: Convert to fraction form
   42,629.76/63,941.94 = 13,044.78/x
3. Step 3: Cross multiply
   42,629.76x = 63,941.94 × 13,044.78
4. Step 4: Simplify right side
   42,629.76x = 834,108,540.07
5. Step 5: Solve for x
   x = 834,108,540.07/42,629.76
6. Step 6: Final answer
   x = 19,566.34