Finding the Fourth Proportional to 107,098.47, 160,685.17 and 67,071.78

Step by Step Solution

1. Step 1: Write the proportion equation
   107,098.47 : 160,685.17 = 67,071.78 : x
2. Step 2: Convert to fraction form
   107,098.47/160,685.17 = 67,071.78/x
3. Step 3: Cross multiply
   107,098.47x = 160,685.17 × 67,071.78
4. Step 4: Simplify right side
   107,098.47x = 10,777,440,203.82
5. Step 5: Solve for x
   x = 10,777,440,203.82/107,098.47
6. Step 6: Final answer
   x = 100,631.13