Finding the Fourth Proportional to 86,443.74, 119,300.04 and 48,725.28

Step by Step Solution

1. Step 1: Write the proportion equation
   86,443.74 : 119,300.04 = 48,725.28 : x
2. Step 2: Convert to fraction form
   86,443.74/119,300.04 = 48,725.28/x
3. Step 3: Cross multiply
   86,443.74x = 119,300.04 × 48,725.28
4. Step 4: Simplify right side
   86,443.74x = 5,812,927,853.01
5. Step 5: Solve for x
   x = 5,812,927,853.01/86,443.74
6. Step 6: Final answer
   x = 67,245.21