Finding the Fourth Proportional to 164,066.50, 226,411.92 and 88,615

Step by Step Solution

1. Step 1: Write the proportion equation
   164,066.50 : 226,411.92 = 88,615 : x
2. Step 2: Convert to fraction form
   164,066.50/226,411.92 = 88,615/x
3. Step 3: Cross multiply
   164,066.50x = 226,411.92 × 88,615
4. Step 4: Simplify right side
   164,066.50x = 20,063,492,290.80
5. Step 5: Solve for x
   x = 20,063,492,290.80/164,066.50
6. Step 6: Final answer
   x = 122,288.78