Finding the Fourth Proportional to 109,892.11, 164,831.78 and 42,410.94

Step by Step Solution

1. Step 1: Write the proportion equation
   109,892.11 : 164,831.78 = 42,410.94 : x
2. Step 2: Convert to fraction form
   109,892.11/164,831.78 = 42,410.94/x
3. Step 3: Cross multiply
   109,892.11x = 164,831.78 × 42,410.94
4. Step 4: Simplify right side
   109,892.11x = 6,990,670,731.67
5. Step 5: Solve for x
   x = 6,990,670,731.67/109,892.11
6. Step 6: Final answer
   x = 63,613.95