Finding the Fourth Proportional to 47,015, 64,878.54 and 28,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   47,015 : 64,878.54 = 28,162.52 : x
2. Step 2: Convert to fraction form
   47,015/64,878.54 = 28,162.52/x
3. Step 3: Cross multiply
   47,015x = 64,878.54 × 28,162.52
4. Step 4: Simplify right side
   47,015x = 1,827,143,180.32
5. Step 5: Solve for x
   x = 1,827,143,180.32/47,015
6. Step 6: Final answer
   x = 38,862.98