Finding the Fourth Proportional to 198,111, 296,831.06 and 141,664.54

Step by Step Solution

1. Step 1: Write the proportion equation
   198,111 : 296,831.06 = 141,664.54 : x
2. Step 2: Convert to fraction form
   198,111/296,831.06 = 141,664.54/x
3. Step 3: Cross multiply
   198,111x = 296,831.06 × 141,664.54
4. Step 4: Simplify right side
   198,111x = 42,050,435,572.61
5. Step 5: Solve for x
   x = 42,050,435,572.61/198,111
6. Step 6: Final answer
   x = 212,256.94