Finding the Fourth Proportional to 8,063.03, 12,088.87 and 3,128.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,063.03 : 12,088.87 = 3,128.51 : x
2. Step 2: Convert to fraction form
   8,063.03/12,088.87 = 3,128.51/x
3. Step 3: Cross multiply
   8,063.03x = 12,088.87 × 3,128.51
4. Step 4: Simplify right side
   8,063.03x = 37,820,150.68
5. Step 5: Solve for x
   x = 37,820,150.68/8,063.03
6. Step 6: Final answer
   x = 4,690.56