Finding the Fourth Proportional to 109,514.70, 151,162.61 and 64,202.49

Step by Step Solution

1. Step 1: Write the proportion equation
   109,514.70 : 151,162.61 = 64,202.49 : x
2. Step 2: Convert to fraction form
   109,514.70/151,162.61 = 64,202.49/x
3. Step 3: Cross multiply
   109,514.70x = 151,162.61 × 64,202.49
4. Step 4: Simplify right side
   109,514.70x = 9,705,015,635.89
5. Step 5: Solve for x
   x = 9,705,015,635.89/109,514.70
6. Step 6: Final answer
   x = 88,618.38