Finding the Fourth Proportional to 146,016, 201,501.72 and 78,948

Step by Step Solution

1. Step 1: Write the proportion equation
   146,016 : 201,501.72 = 78,948 : x
2. Step 2: Convert to fraction form
   146,016/201,501.72 = 78,948/x
3. Step 3: Cross multiply
   146,016x = 201,501.72 × 78,948
4. Step 4: Simplify right side
   146,016x = 15,908,157,790.56
5. Step 5: Solve for x
   x = 15,908,157,790.56/146,016
6. Step 6: Final answer
   x = 108,948.05