Finding the Fourth Proportional to 107,071.20, 160,516.49 and 67,541.18

Step by Step Solution

1. Step 1: Write the proportion equation
   107,071.20 : 160,516.49 = 67,541.18 : x
2. Step 2: Convert to fraction form
   107,071.20/160,516.49 = 67,541.18/x
3. Step 3: Cross multiply
   107,071.20x = 160,516.49 × 67,541.18
4. Step 4: Simplify right side
   107,071.20x = 10,841,472,003.77
5. Step 5: Solve for x
   x = 10,841,472,003.77/107,071.20
6. Step 6: Final answer
   x = 101,254.79