Finding the Fourth Proportional to 158,045.69, 218,282.69 and 106,272.72

Step by Step Solution

1. Step 1: Write the proportion equation
   158,045.69 : 218,282.69 = 106,272.72 : x
2. Step 2: Convert to fraction form
   158,045.69/218,282.69 = 106,272.72/x
3. Step 3: Cross multiply
   158,045.69x = 218,282.69 × 106,272.72
4. Step 4: Simplify right side
   158,045.69x = 23,197,495,195.22
5. Step 5: Solve for x
   x = 23,197,495,195.22/158,045.69
6. Step 6: Final answer
   x = 146,777.15