Finding the Fourth Proportional to 76,018.50, 104,908.77 and 42,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,018.50 : 104,908.77 = 42,484.50 : x
2. Step 2: Convert to fraction form
   76,018.50/104,908.77 = 42,484.50/x
3. Step 3: Cross multiply
   76,018.50x = 104,908.77 × 42,484.50
4. Step 4: Simplify right side
   76,018.50x = 4,456,996,639.07
5. Step 5: Solve for x
   x = 4,456,996,639.07/76,018.50
6. Step 6: Final answer
   x = 58,630.42