Finding the Fourth Proportional to 70,128.02, 105,201.12 and 32,168.13

Step by Step Solution

1. Step 1: Write the proportion equation
   70,128.02 : 105,201.12 = 32,168.13 : x
2. Step 2: Convert to fraction form
   70,128.02/105,201.12 = 32,168.13/x
3. Step 3: Cross multiply
   70,128.02x = 105,201.12 × 32,168.13
4. Step 4: Simplify right side
   70,128.02x = 3,384,123,304.31
5. Step 5: Solve for x
   x = 3,384,123,304.31/70,128.02
6. Step 6: Final answer
   x = 48,256.37