Finding the Fourth Proportional to 109,365.40, 150,961.86 and 64,057.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,365.40 : 150,961.86 = 64,057.96 : x
2. Step 2: Convert to fraction form
   109,365.40/150,961.86 = 64,057.96/x
3. Step 3: Cross multiply
   109,365.40x = 150,961.86 × 64,057.96
4. Step 4: Simplify right side
   109,365.40x = 9,670,308,789.41
5. Step 5: Solve for x
   x = 9,670,308,789.41/109,365.40
6. Step 6: Final answer
   x = 88,422.01