Finding the Fourth Proportional to 76,487.76, 105,552.41 and 42,496.31

Step by Step Solution

1. Step 1: Write the proportion equation
   76,487.76 : 105,552.41 = 42,496.31 : x
2. Step 2: Convert to fraction form
   76,487.76/105,552.41 = 42,496.31/x
3. Step 3: Cross multiply
   76,487.76x = 105,552.41 × 42,496.31
4. Step 4: Simplify right side
   76,487.76x = 4,485,587,988.01
5. Step 5: Solve for x
   x = 4,485,587,988.01/76,487.76
6. Step 6: Final answer
   x = 58,644.52