Finding the Fourth Proportional to 98,705.42, 148,067.04 and 32,128.28

Step by Step Solution

1. Step 1: Write the proportion equation
   98,705.42 : 148,067.04 = 32,128.28 : x
2. Step 2: Convert to fraction form
   98,705.42/148,067.04 = 32,128.28/x
3. Step 3: Cross multiply
   98,705.42x = 148,067.04 × 32,128.28
4. Step 4: Simplify right side
   98,705.42x = 4,757,139,319.89
5. Step 5: Solve for x
   x = 4,757,139,319.89/98,705.42
6. Step 6: Final answer
   x = 48,195.32