Finding the Fourth Proportional to 76,911.46, 106,137.83 and 42,456.22

Step by Step Solution

1. Step 1: Write the proportion equation
   76,911.46 : 106,137.83 = 42,456.22 : x
2. Step 2: Convert to fraction form
   76,911.46/106,137.83 = 42,456.22/x
3. Step 3: Cross multiply
   76,911.46x = 106,137.83 × 42,456.22
4. Step 4: Simplify right side
   76,911.46x = 4,506,210,901.60
5. Step 5: Solve for x
   x = 4,506,210,901.60/76,911.46
6. Step 6: Final answer
   x = 58,589.59