Finding the Fourth Proportional to 47,928.48, 72,151.52 and 43,106.12

Step by Step Solution

1. Step 1: Write the proportion equation
   47,928.48 : 72,151.52 = 43,106.12 : x
2. Step 2: Convert to fraction form
   47,928.48/72,151.52 = 43,106.12/x
3. Step 3: Cross multiply
   47,928.48x = 72,151.52 × 43,106.12
4. Step 4: Simplify right side
   47,928.48x = 3,110,172,079.30
5. Step 5: Solve for x
   x = 3,110,172,079.30/47,928.48
6. Step 6: Final answer
   x = 64,891.94