Finding the Fourth Proportional to 76,022, 104,913.60 and 42,488

Step by Step Solution

1. Step 1: Write the proportion equation
   76,022 : 104,913.60 = 42,488 : x
2. Step 2: Convert to fraction form
   76,022/104,913.60 = 42,488/x
3. Step 3: Cross multiply
   76,022x = 104,913.60 × 42,488
4. Step 4: Simplify right side
   76,022x = 4,457,569,036.80
5. Step 5: Solve for x
   x = 4,457,569,036.80/76,022
6. Step 6: Final answer
   x = 58,635.25