Finding the Fourth Proportional to 12,055.30, 18,085.84 and 5,031.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.30 : 18,085.84 = 5,031.41 : x
2. Step 2: Convert to fraction form
   12,055.30/18,085.84 = 5,031.41/x
3. Step 3: Cross multiply
   12,055.30x = 18,085.84 × 5,031.41
4. Step 4: Simplify right side
   12,055.30x = 90,997,276.23
5. Step 5: Solve for x
   x = 90,997,276.23/12,055.30
6. Step 6: Final answer
   x = 7,548.32