Finding the Fourth Proportional to 22,447.73, 30,977.34 and 13,015.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,447.73 : 30,977.34 = 13,015.69 : x
2. Step 2: Convert to fraction form
   22,447.73/30,977.34 = 13,015.69/x
3. Step 3: Cross multiply
   22,447.73x = 30,977.34 × 13,015.69
4. Step 4: Simplify right side
   22,447.73x = 403,191,328.21
5. Step 5: Solve for x
   x = 403,191,328.21/22,447.73
6. Step 6: Final answer
   x = 17,961.34