Finding the Fourth Proportional to 107,384.10, 160,839.30 and 67,272.48

Step by Step Solution

1. Step 1: Write the proportion equation
   107,384.10 : 160,839.30 = 67,272.48 : x
2. Step 2: Convert to fraction form
   107,384.10/160,839.30 = 67,272.48/x
3. Step 3: Cross multiply
   107,384.10x = 160,839.30 × 67,272.48
4. Step 4: Simplify right side
   107,384.10x = 10,820,058,592.46
5. Step 5: Solve for x
   x = 10,820,058,592.46/107,384.10
6. Step 6: Final answer
   x = 100,760.34