Finding the Fourth Proportional to 107,119.17, 160,641.72 and 43,921.35

Step by Step Solution

1. Step 1: Write the proportion equation
   107,119.17 : 160,641.72 = 43,921.35 : x
2. Step 2: Convert to fraction form
   107,119.17/160,641.72 = 43,921.35/x
3. Step 3: Cross multiply
   107,119.17x = 160,641.72 × 43,921.35
4. Step 4: Simplify right side
   107,119.17x = 7,055,601,208.72
5. Step 5: Solve for x
   x = 7,055,601,208.72/107,119.17
6. Step 6: Final answer
   x = 65,866.84