Finding the Fourth Proportional to 13,380.05, 20,074.73 and 5,985.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,380.05 : 20,074.73 = 5,985.29 : x
2. Step 2: Convert to fraction form
   13,380.05/20,074.73 = 5,985.29/x
3. Step 3: Cross multiply
   13,380.05x = 20,074.73 × 5,985.29
4. Step 4: Simplify right side
   13,380.05x = 120,152,950.42
5. Step 5: Solve for x
   x = 120,152,950.42/13,380.05
6. Step 6: Final answer
   x = 8,980.01