Finding the Fourth Proportional to 57,147.10, 78,901.54 and 35,669.57

Step by Step Solution

1. Step 1: Write the proportion equation
   57,147.10 : 78,901.54 = 35,669.57 : x
2. Step 2: Convert to fraction form
   57,147.10/78,901.54 = 35,669.57/x
3. Step 3: Cross multiply
   57,147.10x = 78,901.54 × 35,669.57
4. Step 4: Simplify right side
   57,147.10x = 2,814,383,842.69
5. Step 5: Solve for x
   x = 2,814,383,842.69/57,147.10
6. Step 6: Final answer
   x = 49,248.06