Finding the Fourth Proportional to 12,055.41, 18,085.31 and 5,031.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.41 : 18,085.31 = 5,031.93 : x
2. Step 2: Convert to fraction form
   12,055.41/18,085.31 = 5,031.93/x
3. Step 3: Cross multiply
   12,055.41x = 18,085.31 × 5,031.93
4. Step 4: Simplify right side
   12,055.41x = 91,003,988.79
5. Step 5: Solve for x
   x = 91,003,988.79/12,055.41
6. Step 6: Final answer
   x = 7,548.81