Finding the Fourth Proportional to 86,868.72, 119,868.69 and 48,630.36

Step by Step Solution

1. Step 1: Write the proportion equation
   86,868.72 : 119,868.69 = 48,630.36 : x
2. Step 2: Convert to fraction form
   86,868.72/119,868.69 = 48,630.36/x
3. Step 3: Cross multiply
   86,868.72x = 119,868.69 × 48,630.36
4. Step 4: Simplify right side
   86,868.72x = 5,829,257,547.43
5. Step 5: Solve for x
   x = 5,829,257,547.43/86,868.72
6. Step 6: Final answer
   x = 67,104.22