Finding the Fourth Proportional to 73,965.38, 102,047.30 and 42,111.74

Step by Step Solution

1. Step 1: Write the proportion equation
   73,965.38 : 102,047.30 = 42,111.74 : x
2. Step 2: Convert to fraction form
   73,965.38/102,047.30 = 42,111.74/x
3. Step 3: Cross multiply
   73,965.38x = 102,047.30 × 42,111.74
4. Step 4: Simplify right side
   73,965.38x = 4,297,389,365.30
5. Step 5: Solve for x
   x = 4,297,389,365.30/73,965.38
6. Step 6: Final answer
   x = 58,100.01