Finding the Fourth Proportional to 72,843.30, 109,200.15 and 47,895.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,843.30 : 109,200.15 = 47,895.30 : x
2. Step 2: Convert to fraction form
   72,843.30/109,200.15 = 47,895.30/x
3. Step 3: Cross multiply
   72,843.30x = 109,200.15 × 47,895.30
4. Step 4: Simplify right side
   72,843.30x = 5,230,173,944.30
5. Step 5: Solve for x
   x = 5,230,173,944.30/72,843.30
6. Step 6: Final answer
   x = 71,800.34