Finding the Fourth Proportional to 73,311.24, 109,999.62 and 42,146.48

Step by Step Solution

1. Step 1: Write the proportion equation
   73,311.24 : 109,999.62 = 42,146.48 : x
2. Step 2: Convert to fraction form
   73,311.24/109,999.62 = 42,146.48/x
3. Step 3: Cross multiply
   73,311.24x = 109,999.62 × 42,146.48
4. Step 4: Simplify right side
   73,311.24x = 4,636,096,784.34
5. Step 5: Solve for x
   x = 4,636,096,784.34/73,311.24
6. Step 6: Final answer
   x = 63,238.55