Finding the Fourth Proportional to 53,081.30, 79,622.55 and 18,023.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,081.30 : 79,622.55 = 18,023.69 : x
2. Step 2: Convert to fraction form
   53,081.30/79,622.55 = 18,023.69/x
3. Step 3: Cross multiply
   53,081.30x = 79,622.55 × 18,023.69
4. Step 4: Simplify right side
   53,081.30x = 1,435,091,760.10
5. Step 5: Solve for x
   x = 1,435,091,760.10/53,081.30
6. Step 6: Final answer
   x = 27,035.73