Finding the Fourth Proportional to 76,109.15, 105,025.79 and 41,646.89

Step by Step Solution

1. Step 1: Write the proportion equation
   76,109.15 : 105,025.79 = 41,646.89 : x
2. Step 2: Convert to fraction form
   76,109.15/105,025.79 = 41,646.89/x
3. Step 3: Cross multiply
   76,109.15x = 105,025.79 × 41,646.89
4. Step 4: Simplify right side
   76,109.15x = 4,373,996,789.93
5. Step 5: Solve for x
   x = 4,373,996,789.93/76,109.15
6. Step 6: Final answer
   x = 57,470.06