Finding the Fourth Proportional to 47,905.25, 71,888.63 and 32,128.10

Step by Step Solution

1. Step 1: Write the proportion equation
   47,905.25 : 71,888.63 = 32,128.10 : x
2. Step 2: Convert to fraction form
   47,905.25/71,888.63 = 32,128.10/x
3. Step 3: Cross multiply
   47,905.25x = 71,888.63 × 32,128.10
4. Step 4: Simplify right side
   47,905.25x = 2,309,645,093.50
5. Step 5: Solve for x
   x = 2,309,645,093.50/47,905.25
6. Step 6: Final answer
   x = 48,212.78