Finding the Fourth Proportional to 47,208.88, 70,843.20 and 42,775.59

Step by Step Solution

1. Step 1: Write the proportion equation
   47,208.88 : 70,843.20 = 42,775.59 : x
2. Step 2: Convert to fraction form
   47,208.88/70,843.20 = 42,775.59/x
3. Step 3: Cross multiply
   47,208.88x = 70,843.20 × 42,775.59
4. Step 4: Simplify right side
   47,208.88x = 3,030,359,677.49
5. Step 5: Solve for x
   x = 3,030,359,677.49/47,208.88
6. Step 6: Final answer
   x = 64,190.46