Finding the Fourth Proportional to 47,103.10, 70,968.81 and 42,605.35

Step by Step Solution

1. Step 1: Write the proportion equation
   47,103.10 : 70,968.81 = 42,605.35 : x
2. Step 2: Convert to fraction form
   47,103.10/70,968.81 = 42,605.35/x
3. Step 3: Cross multiply
   47,103.10x = 70,968.81 × 42,605.35
4. Step 4: Simplify right side
   47,103.10x = 3,023,650,989.13
5. Step 5: Solve for x
   x = 3,023,650,989.13/47,103.10
6. Step 6: Final answer
   x = 64,192.19