Finding the Fourth Proportional to 73,986.83, 102,076.84 and 42,133.17

Step by Step Solution

1. Step 1: Write the proportion equation
   73,986.83 : 102,076.84 = 42,133.17 : x
2. Step 2: Convert to fraction form
   73,986.83/102,076.84 = 42,133.17/x
3. Step 3: Cross multiply
   73,986.83x = 102,076.84 × 42,133.17
4. Step 4: Simplify right side
   73,986.83x = 4,300,821,288.24
5. Step 5: Solve for x
   x = 4,300,821,288.24/73,986.83
6. Step 6: Final answer
   x = 58,129.55