Finding the Fourth Proportional to 45,784.78, 68,669.29 and 13,763.37

Step by Step Solution

1. Step 1: Write the proportion equation
   45,784.78 : 68,669.29 = 13,763.37 : x
2. Step 2: Convert to fraction form
   45,784.78/68,669.29 = 13,763.37/x
3. Step 3: Cross multiply
   45,784.78x = 68,669.29 × 13,763.37
4. Step 4: Simplify right side
   45,784.78x = 945,120,845.91
5. Step 5: Solve for x
   x = 945,120,845.91/45,784.78
6. Step 6: Final answer
   x = 20,642.69