Finding the Fourth Proportional to 73,966.38, 102,048.69 and 42,112.74

Step by Step Solution

1. Step 1: Write the proportion equation
   73,966.38 : 102,048.69 = 42,112.74 : x
2. Step 2: Convert to fraction form
   73,966.38/102,048.69 = 42,112.74/x
3. Step 3: Cross multiply
   73,966.38x = 102,048.69 × 42,112.74
4. Step 4: Simplify right side
   73,966.38x = 4,297,549,949.31
5. Step 5: Solve for x
   x = 4,297,549,949.31/73,966.38
6. Step 6: Final answer
   x = 58,101.40