Finding the Fourth Proportional to 12,999.52, 19,501.32 and 5,606.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,999.52 : 19,501.32 = 5,606.08 : x
2. Step 2: Convert to fraction form
   12,999.52/19,501.32 = 5,606.08/x
3. Step 3: Cross multiply
   12,999.52x = 19,501.32 × 5,606.08
4. Step 4: Simplify right side
   12,999.52x = 109,325,834.49
5. Step 5: Solve for x
   x = 109,325,834.49/12,999.52
6. Step 6: Final answer
   x = 8,409.99