Finding the Fourth Proportional to 76,360.50, 105,377.33 and 42,374.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,360.50 : 105,377.33 = 42,374.16 : x
2. Step 2: Convert to fraction form
   76,360.50/105,377.33 = 42,374.16/x
3. Step 3: Cross multiply
   76,360.50x = 105,377.33 × 42,374.16
4. Step 4: Simplify right side
   76,360.50x = 4,465,275,629.92
5. Step 5: Solve for x
   x = 4,465,275,629.92/76,360.50
6. Step 6: Final answer
   x = 58,476.25