Finding the Fourth Proportional to 107,118.72, 160,696.31 and 36,981.63

Step by Step Solution

1. Step 1: Write the proportion equation
   107,118.72 : 160,696.31 = 36,981.63 : x
2. Step 2: Convert to fraction form
   107,118.72/160,696.31 = 36,981.63/x
3. Step 3: Cross multiply
   107,118.72x = 160,696.31 × 36,981.63
4. Step 4: Simplify right side
   107,118.72x = 5,942,811,293.88
5. Step 5: Solve for x
   x = 5,942,811,293.88/107,118.72
6. Step 6: Final answer
   x = 55,478.74