Finding the Fourth Proportional to 73,851.48, 101,911.50 and 42,017.40

Step by Step Solution

1. Step 1: Write the proportion equation
   73,851.48 : 101,911.50 = 42,017.40 : x
2. Step 2: Convert to fraction form
   73,851.48/101,911.50 = 42,017.40/x
3. Step 3: Cross multiply
   73,851.48x = 101,911.50 × 42,017.40
4. Step 4: Simplify right side
   73,851.48x = 4,282,056,260.10
5. Step 5: Solve for x
   x = 4,282,056,260.10/73,851.48
6. Step 6: Final answer
   x = 57,982.00