Finding the Fourth Proportional to 12,019.56, 16,588.98 and 7,547.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019.56 : 16,588.98 = 7,547.16 : x
2. Step 2: Convert to fraction form
   12,019.56/16,588.98 = 7,547.16/x
3. Step 3: Cross multiply
   12,019.56x = 16,588.98 × 7,547.16
4. Step 4: Simplify right side
   12,019.56x = 125,199,686.30
5. Step 5: Solve for x
   x = 125,199,686.30/12,019.56
6. Step 6: Final answer
   x = 10,416.33