Finding the Fourth Proportional to 86,393.16, 119,222.72 and 48,667.40

Step by Step Solution

1. Step 1: Write the proportion equation
   86,393.16 : 119,222.72 = 48,667.40 : x
2. Step 2: Convert to fraction form
   86,393.16/119,222.72 = 48,667.40/x
3. Step 3: Cross multiply
   86,393.16x = 119,222.72 × 48,667.40
4. Step 4: Simplify right side
   86,393.16x = 5,802,259,803.33
5. Step 5: Solve for x
   x = 5,802,259,803.33/86,393.16
6. Step 6: Final answer
   x = 67,161.10