Finding the Fourth Proportional to 22,700.95, 31,322.73 and 13,267.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,700.95 : 31,322.73 = 13,267.69 : x
2. Step 2: Convert to fraction form
   22,700.95/31,322.73 = 13,267.69/x
3. Step 3: Cross multiply
   22,700.95x = 31,322.73 × 13,267.69
4. Step 4: Simplify right side
   22,700.95x = 415,580,271.59
5. Step 5: Solve for x
   x = 415,580,271.59/22,700.95
6. Step 6: Final answer
   x = 18,306.73