Finding the Fourth Proportional to 53,019.71, 79,527.49 and 17,959.37

Step by Step Solution

1. Step 1: Write the proportion equation
   53,019.71 : 79,527.49 = 17,959.37 : x
2. Step 2: Convert to fraction form
   53,019.71/79,527.49 = 17,959.37/x
3. Step 3: Cross multiply
   53,019.71x = 79,527.49 × 17,959.37
4. Step 4: Simplify right side
   53,019.71x = 1,428,263,175.55
5. Step 5: Solve for x
   x = 1,428,263,175.55/53,019.71
6. Step 6: Final answer
   x = 26,938.34