Finding the Fourth Proportional to 76,334.25, 105,341.31 and 42,341.61

Step by Step Solution

1. Step 1: Write the proportion equation
   76,334.25 : 105,341.31 = 42,341.61 : x
2. Step 2: Convert to fraction form
   76,334.25/105,341.31 = 42,341.61/x
3. Step 3: Cross multiply
   76,334.25x = 105,341.31 × 42,341.61
4. Step 4: Simplify right side
   76,334.25x = 4,460,320,664.91
5. Step 5: Solve for x
   x = 4,460,320,664.91/76,334.25
6. Step 6: Final answer
   x = 58,431.45