Finding the Fourth Proportional to 22,493.01, 31,041.35 and 12,936

Step by Step Solution

1. Step 1: Write the proportion equation
   22,493.01 : 31,041.35 = 12,936 : x
2. Step 2: Convert to fraction form
   22,493.01/31,041.35 = 12,936/x
3. Step 3: Cross multiply
   22,493.01x = 31,041.35 × 12,936
4. Step 4: Simplify right side
   22,493.01x = 401,550,903.60
5. Step 5: Solve for x
   x = 401,550,903.60/22,493.01
6. Step 6: Final answer
   x = 17,852.25