Finding the Fourth Proportional to 32,085.39, 48,128.31 and 9,898.28

Step by Step Solution

1. Step 1: Write the proportion equation
   32,085.39 : 48,128.31 = 9,898.28 : x
2. Step 2: Convert to fraction form
   32,085.39/48,128.31 = 9,898.28/x
3. Step 3: Cross multiply
   32,085.39x = 48,128.31 × 9,898.28
4. Step 4: Simplify right side
   32,085.39x = 476,387,488.31
5. Step 5: Solve for x
   x = 476,387,488.31/32,085.39
6. Step 6: Final answer
   x = 14,847.49