Finding the Fourth Proportional to 146,066.12, 201,571.38 and 78,998.12

Step by Step Solution

1. Step 1: Write the proportion equation
   146,066.12 : 201,571.38 = 78,998.12 : x
2. Step 2: Convert to fraction form
   146,066.12/201,571.38 = 78,998.12/x
3. Step 3: Cross multiply
   146,066.12x = 201,571.38 × 78,998.12
4. Step 4: Simplify right side
   146,066.12x = 15,923,760,065.81
5. Step 5: Solve for x
   x = 15,923,760,065.81/146,066.12
6. Step 6: Final answer
   x = 109,017.48