Finding the Fourth Proportional to 22,597.40, 31,177.28 and 13,036.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,597.40 : 31,177.28 = 13,036.00 : x
2. Step 2: Convert to fraction form
   22,597.40/31,177.28 = 13,036.00/x
3. Step 3: Cross multiply
   22,597.40x = 31,177.28 × 13,036.00
4. Step 4: Simplify right side
   22,597.40x = 406,426,801.01
5. Step 5: Solve for x
   x = 406,426,801.01/22,597.40
6. Step 6: Final answer
   x = 17,985.56