Finding the Fourth Proportional to 47,208.10, 70,753.82 and 28,429.06

Step by Step Solution

1. Step 1: Write the proportion equation
   47,208.10 : 70,753.82 = 28,429.06 : x
2. Step 2: Convert to fraction form
   47,208.10/70,753.82 = 28,429.06/x
3. Step 3: Cross multiply
   47,208.10x = 70,753.82 × 28,429.06
4. Step 4: Simplify right side
   47,208.10x = 2,011,464,594.01
5. Step 5: Solve for x
   x = 2,011,464,594.01/47,208.10
6. Step 6: Final answer
   x = 42,608.46