Finding the Fourth Proportional to 107,151.59, 160,716.11 and 43,978.40

Step by Step Solution

1. Step 1: Write the proportion equation
   107,151.59 : 160,716.11 = 43,978.40 : x
2. Step 2: Convert to fraction form
   107,151.59/160,716.11 = 43,978.40/x
3. Step 3: Cross multiply
   107,151.59x = 160,716.11 × 43,978.40
4. Step 4: Simplify right side
   107,151.59x = 7,068,036,678.39
5. Step 5: Solve for x
   x = 7,068,036,678.39/107,151.59
6. Step 6: Final answer
   x = 65,962.96