Finding the Fourth Proportional to 76,022.31, 104,911.02 and 42,488.31

Step by Step Solution

1. Step 1: Write the proportion equation
   76,022.31 : 104,911.02 = 42,488.31 : x
2. Step 2: Convert to fraction form
   76,022.31/104,911.02 = 42,488.31/x
3. Step 3: Cross multiply
   76,022.31x = 104,911.02 × 42,488.31
4. Step 4: Simplify right side
   76,022.31x = 4,457,491,940.18
5. Step 5: Solve for x
   x = 4,457,491,940.18/76,022.31
6. Step 6: Final answer
   x = 58,634.00