Finding the Fourth Proportional to 22,597.77, 31,180.86 and 13,035.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,597.77 : 31,180.86 = 13,035.42 : x
2. Step 2: Convert to fraction form
   22,597.77/31,180.86 = 13,035.42/x
3. Step 3: Cross multiply
   22,597.77x = 31,180.86 × 13,035.42
4. Step 4: Simplify right side
   22,597.77x = 406,455,606.06
5. Step 5: Solve for x
   x = 406,455,606.06/22,597.77
6. Step 6: Final answer
   x = 17,986.54