Finding the Fourth Proportional to 76,022.88, 104,911.31 and 42,488.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,022.88 : 104,911.31 = 42,488.88 : x
2. Step 2: Convert to fraction form
   76,022.88/104,911.31 = 42,488.88/x
3. Step 3: Cross multiply
   76,022.88x = 104,911.31 × 42,488.88
4. Step 4: Simplify right side
   76,022.88x = 4,457,564,061.23
5. Step 5: Solve for x
   x = 4,457,564,061.23/76,022.88
6. Step 6: Final answer
   x = 58,634.51