Finding the Fourth Proportional to 10,091.60, 15,143.78 and 3,852.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.60 : 15,143.78 = 3,852.28 : x
2. Step 2: Convert to fraction form
   10,091.60/15,143.78 = 3,852.28/x
3. Step 3: Cross multiply
   10,091.60x = 15,143.78 × 3,852.28
4. Step 4: Simplify right side
   10,091.60x = 58,338,080.82
5. Step 5: Solve for x
   x = 58,338,080.82/10,091.60
6. Step 6: Final answer
   x = 5,780.86