Finding the Fourth Proportional to 76,076.01, 104,983.90 and 42,081.80

Step by Step Solution

1. Step 1: Write the proportion equation
   76,076.01 : 104,983.90 = 42,081.80 : x
2. Step 2: Convert to fraction form
   76,076.01/104,983.90 = 42,081.80/x
3. Step 3: Cross multiply
   76,076.01x = 104,983.90 × 42,081.80
4. Step 4: Simplify right side
   76,076.01x = 4,417,910,852.90
5. Step 5: Solve for x
   x = 4,417,910,852.90/76,076.01
6. Step 6: Final answer
   x = 58,072.33