Finding the Fourth Proportional to 9,941.94, 13,719.99 and 5,404.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,941.94 : 13,719.99 = 5,404.63 : x
2. Step 2: Convert to fraction form
   9,941.94/13,719.99 = 5,404.63/x
3. Step 3: Cross multiply
   9,941.94x = 13,719.99 × 5,404.63
4. Step 4: Simplify right side
   9,941.94x = 74,151,469.55
5. Step 5: Solve for x
   x = 74,151,469.55/9,941.94
6. Step 6: Final answer
   x = 7,458.45