Finding the Fourth Proportional to 57,101.69, 78,875.61 and 43,836.86

Step by Step Solution

1. Step 1: Write the proportion equation
   57,101.69 : 78,875.61 = 43,836.86 : x
2. Step 2: Convert to fraction form
   57,101.69/78,875.61 = 43,836.86/x
3. Step 3: Cross multiply
   57,101.69x = 78,875.61 × 43,836.86
4. Step 4: Simplify right side
   57,101.69x = 3,457,659,072.98
5. Step 5: Solve for x
   x = 3,457,659,072.98/57,101.69
6. Step 6: Final answer
   x = 60,552.66