Finding the Fourth Proportional to 12,055.45, 18,086.06 and 5,031.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.45 : 18,086.06 = 5,031.56 : x
2. Step 2: Convert to fraction form
   12,055.45/18,086.06 = 5,031.56/x
3. Step 3: Cross multiply
   12,055.45x = 18,086.06 × 5,031.56
4. Step 4: Simplify right side
   12,055.45x = 91,000,980.47
5. Step 5: Solve for x
   x = 91,000,980.47/12,055.45
6. Step 6: Final answer
   x = 7,548.54