Finding the Fourth Proportional to 19,483.06, 29,240.92 and 10,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,483.06 : 29,240.92 = 10,128.82 : x
2. Step 2: Convert to fraction form
   19,483.06/29,240.92 = 10,128.82/x
3. Step 3: Cross multiply
   19,483.06x = 29,240.92 × 10,128.82
4. Step 4: Simplify right side
   19,483.06x = 296,176,015.31
5. Step 5: Solve for x
   x = 296,176,015.31/19,483.06
6. Step 6: Final answer
   x = 15,201.72