Finding the Fourth Proportional to 12,887.67, 19,297.89 and 7,032.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,887.67 : 19,297.89 = 7,032.18 : x
2. Step 2: Convert to fraction form
   12,887.67/19,297.89 = 7,032.18/x
3. Step 3: Cross multiply
   12,887.67x = 19,297.89 × 7,032.18
4. Step 4: Simplify right side
   12,887.67x = 135,706,236.10
5. Step 5: Solve for x
   x = 135,706,236.10/12,887.67
6. Step 6: Final answer
   x = 10,529.93