Finding the Fourth Proportional to 146,061.12, 201,564.48 and 78,993.12

Step by Step Solution

1. Step 1: Write the proportion equation
   146,061.12 : 201,564.48 = 78,993.12 : x
2. Step 2: Convert to fraction form
   146,061.12/201,564.48 = 78,993.12/x
3. Step 3: Cross multiply
   146,061.12x = 201,564.48 × 78,993.12
4. Step 4: Simplify right side
   146,061.12x = 15,922,207,156.38
5. Step 5: Solve for x
   x = 15,922,207,156.38/146,061.12
6. Step 6: Final answer
   x = 109,010.58