Finding the Fourth Proportional to 47,041.92, 70,844.48 and 42,842.88

Step by Step Solution

1. Step 1: Write the proportion equation
   47,041.92 : 70,844.48 = 42,842.88 : x
2. Step 2: Convert to fraction form
   47,041.92/70,844.48 = 42,842.88/x
3. Step 3: Cross multiply
   47,041.92x = 70,844.48 × 42,842.88
4. Step 4: Simplify right side
   47,041.92x = 3,035,181,555.30
5. Step 5: Solve for x
   x = 3,035,181,555.30/47,041.92
6. Step 6: Final answer
   x = 64,520.78