Finding the Fourth Proportional to 13,934.42, 20,903.22 and 5,053.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,934.42 : 20,903.22 = 5,053.94 : x
2. Step 2: Convert to fraction form
   13,934.42/20,903.22 = 5,053.94/x
3. Step 3: Cross multiply
   13,934.42x = 20,903.22 × 5,053.94
4. Step 4: Simplify right side
   13,934.42x = 105,643,619.69
5. Step 5: Solve for x
   x = 105,643,619.69/13,934.42
6. Step 6: Final answer
   x = 7,581.49