Finding the Fourth Proportional to 73,982.56, 102,095.76 and 42,150.64

Step by Step Solution

1. Step 1: Write the proportion equation
   73,982.56 : 102,095.76 = 42,150.64 : x
2. Step 2: Convert to fraction form
   73,982.56/102,095.76 = 42,150.64/x
3. Step 3: Cross multiply
   73,982.56x = 102,095.76 × 42,150.64
4. Step 4: Simplify right side
   73,982.56x = 4,303,401,625.29
5. Step 5: Solve for x
   x = 4,303,401,625.29/73,982.56
6. Step 6: Final answer
   x = 58,167.78