Finding the Fourth Proportional to 117,837.28, 162,426.24 and 79,584.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,837.28 : 162,426.24 = 79,584.52 : x
2. Step 2: Convert to fraction form
   117,837.28/162,426.24 = 79,584.52/x
3. Step 3: Cross multiply
   117,837.28x = 162,426.24 × 79,584.52
4. Step 4: Simplify right side
   117,837.28x = 12,926,614,345.80
5. Step 5: Solve for x
   x = 12,926,614,345.80/117,837.28
6. Step 6: Final answer
   x = 109,698.85