Finding the Fourth Proportional to 12,804.57, 17,667.99 and 7,499.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,804.57 : 17,667.99 = 7,499.52 : x
2. Step 2: Convert to fraction form
   12,804.57/17,667.99 = 7,499.52/x
3. Step 3: Cross multiply
   12,804.57x = 17,667.99 × 7,499.52
4. Step 4: Simplify right side
   12,804.57x = 132,501,444.36
5. Step 5: Solve for x
   x = 132,501,444.36/12,804.57
6. Step 6: Final answer
   x = 10,347.98