Finding the Fourth Proportional to 3,788.06, 5,224.83 and 2,528.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,788.06 : 5,224.83 = 2,528.48 : x
2. Step 2: Convert to fraction form
   3,788.06/5,224.83 = 2,528.48/x
3. Step 3: Cross multiply
   3,788.06x = 5,224.83 × 2,528.48
4. Step 4: Simplify right side
   3,788.06x = 13,210,878.16
5. Step 5: Solve for x
   x = 13,210,878.16/3,788.06
6. Step 6: Final answer
   x = 3,487.50