Finding the Fourth Proportional to 86,300.64, 119,128.32 and 67,443.84

Step by Step Solution

1. Step 1: Write the proportion equation
   86,300.64 : 119,128.32 = 67,443.84 : x
2. Step 2: Convert to fraction form
   86,300.64/119,128.32 = 67,443.84/x
3. Step 3: Cross multiply
   86,300.64x = 119,128.32 × 67,443.84
4. Step 4: Simplify right side
   86,300.64x = 8,034,471,353.55
5. Step 5: Solve for x
   x = 8,034,471,353.55/86,300.64
6. Step 6: Final answer
   x = 93,098.63