Finding the Fourth Proportional to 162,019.86, 223,582.17 and 88,429.47

Step by Step Solution

1. Step 1: Write the proportion equation
   162,019.86 : 223,582.17 = 88,429.47 : x
2. Step 2: Convert to fraction form
   162,019.86/223,582.17 = 88,429.47/x
3. Step 3: Cross multiply
   162,019.86x = 223,582.17 × 88,429.47
4. Step 4: Simplify right side
   162,019.86x = 19,771,252,794.55
5. Step 5: Solve for x
   x = 19,771,252,794.55/162,019.86
6. Step 6: Final answer
   x = 122,029.81