Finding the Fourth Proportional to 109,505.45, 164,187.56 and 42,952.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,505.45 : 164,187.56 = 42,952.31 : x
2. Step 2: Convert to fraction form
   109,505.45/164,187.56 = 42,952.31/x
3. Step 3: Cross multiply
   109,505.45x = 164,187.56 × 42,952.31
4. Step 4: Simplify right side
   109,505.45x = 7,052,235,064.46
5. Step 5: Solve for x
   x = 7,052,235,064.46/109,505.45
6. Step 6: Final answer
   x = 64,400.77