Finding the Fourth Proportional to 109,930.75, 164,902.66 and 42,463.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,930.75 : 164,902.66 = 42,463.31 : x
2. Step 2: Convert to fraction form
   109,930.75/164,902.66 = 42,463.31/x
3. Step 3: Cross multiply
   109,930.75x = 164,902.66 × 42,463.31
4. Step 4: Simplify right side
   109,930.75x = 7,002,311,840.73
5. Step 5: Solve for x
   x = 7,002,311,840.73/109,930.75
6. Step 6: Final answer
   x = 63,697.48