Finding the Fourth Proportional to 70,128.30, 105,201.54 and 32,168.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,128.30 : 105,201.54 = 32,168.42 : x
2. Step 2: Convert to fraction form
   70,128.30/105,201.54 = 32,168.42/x
3. Step 3: Cross multiply
   70,128.30x = 105,201.54 × 32,168.42
4. Step 4: Simplify right side
   70,128.30x = 3,384,167,323.37
5. Step 5: Solve for x
   x = 3,384,167,323.37/70,128.30
6. Step 6: Final answer
   x = 48,256.80