Finding the Fourth Proportional to 73,946.45, 102,064.23 and 42,134.10

Step by Step Solution

1. Step 1: Write the proportion equation
   73,946.45 : 102,064.23 = 42,134.10 : x
2. Step 2: Convert to fraction form
   73,946.45/102,064.23 = 42,134.10/x
3. Step 3: Cross multiply
   73,946.45x = 102,064.23 × 42,134.10
4. Step 4: Simplify right side
   73,946.45x = 4,300,384,473.24
5. Step 5: Solve for x
   x = 4,300,384,473.24/73,946.45
6. Step 6: Final answer
   x = 58,155.39