Finding the Fourth Proportional to 154,103.08, 231,155.58 and 47,485.72

Step by Step Solution

1. Step 1: Write the proportion equation
   154,103.08 : 231,155.58 = 47,485.72 : x
2. Step 2: Convert to fraction form
   154,103.08/231,155.58 = 47,485.72/x
3. Step 3: Cross multiply
   154,103.08x = 231,155.58 × 47,485.72
4. Step 4: Simplify right side
   154,103.08x = 10,976,589,148.32
5. Step 5: Solve for x
   x = 10,976,589,148.32/154,103.08
6. Step 6: Final answer
   x = 71,228.88