Finding the Fourth Proportional to 92,749.46, 139,010.18 and 42,760.17

Step by Step Solution

1. Step 1: Write the proportion equation
   92,749.46 : 139,010.18 = 42,760.17 : x
2. Step 2: Convert to fraction form
   92,749.46/139,010.18 = 42,760.17/x
3. Step 3: Cross multiply
   92,749.46x = 139,010.18 × 42,760.17
4. Step 4: Simplify right side
   92,749.46x = 5,944,098,714.73
5. Step 5: Solve for x
   x = 5,944,098,714.73/92,749.46
6. Step 6: Final answer
   x = 64,087.69