Finding the Fourth Proportional to 76,105.62, 105,022.03 and 42,113.49

Step by Step Solution

1. Step 1: Write the proportion equation
   76,105.62 : 105,022.03 = 42,113.49 : x
2. Step 2: Convert to fraction form
   76,105.62/105,022.03 = 42,113.49/x
3. Step 3: Cross multiply
   76,105.62x = 105,022.03 × 42,113.49
4. Step 4: Simplify right side
   76,105.62x = 4,422,844,210.18
5. Step 5: Solve for x
   x = 4,422,844,210.18/76,105.62
6. Step 6: Final answer
   x = 58,114.55