Finding the Fourth Proportional to 55,803.94, 83,704.15 and 13,684.15

Step by Step Solution

1. Step 1: Write the proportion equation
   55,803.94 : 83,704.15 = 13,684.15 : x
2. Step 2: Convert to fraction form
   55,803.94/83,704.15 = 13,684.15/x
3. Step 3: Cross multiply
   55,803.94x = 83,704.15 × 13,684.15
4. Step 4: Simplify right side
   55,803.94x = 1,145,420,144.22
5. Step 5: Solve for x
   x = 1,145,420,144.22/55,803.94
6. Step 6: Final answer
   x = 20,525.79