Finding the Fourth Proportional to 73,892.78, 101,972.16 and 42,061.68

Step by Step Solution

1. Step 1: Write the proportion equation
   73,892.78 : 101,972.16 = 42,061.68 : x
2. Step 2: Convert to fraction form
   73,892.78/101,972.16 = 42,061.68/x
3. Step 3: Cross multiply
   73,892.78x = 101,972.16 × 42,061.68
4. Step 4: Simplify right side
   73,892.78x = 4,289,120,512.60
5. Step 5: Solve for x
   x = 4,289,120,512.60/73,892.78
6. Step 6: Final answer
   x = 58,045.19