Finding the Fourth Proportional to 12,032.34, 18,054.99 and 5,017.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,032.34 : 18,054.99 = 5,017.20 : x
2. Step 2: Convert to fraction form
   12,032.34/18,054.99 = 5,017.20/x
3. Step 3: Cross multiply
   12,032.34x = 18,054.99 × 5,017.20
4. Step 4: Simplify right side
   12,032.34x = 90,585,495.83
5. Step 5: Solve for x
   x = 90,585,495.83/12,032.34
6. Step 6: Final answer
   x = 7,528.50