Finding the Fourth Proportional to 8,063.48, 12,090.54 and 3,127.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,063.48 : 12,090.54 = 3,127.34 : x
2. Step 2: Convert to fraction form
   8,063.48/12,090.54 = 3,127.34/x
3. Step 3: Cross multiply
   8,063.48x = 12,090.54 × 3,127.34
4. Step 4: Simplify right side
   8,063.48x = 37,811,168.91
5. Step 5: Solve for x
   x = 37,811,168.91/8,063.48
6. Step 6: Final answer
   x = 4,689.19