Finding the Fourth Proportional to 12,981.52, 19,466.88 and 5,582.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.52 : 19,466.88 = 5,582.08 : x
2. Step 2: Convert to fraction form
   12,981.52/19,466.88 = 5,582.08/x
3. Step 3: Cross multiply
   12,981.52x = 19,466.88 × 5,582.08
4. Step 4: Simplify right side
   12,981.52x = 108,665,681.51
5. Step 5: Solve for x
   x = 108,665,681.51/12,981.52
6. Step 6: Final answer
   x = 8,370.80