Finding the Fourth Proportional to 13,787.16, 19,037.34 and 9,588.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,787.16 : 19,037.34 = 9,588.12 : x
2. Step 2: Convert to fraction form
   13,787.16/19,037.34 = 9,588.12/x
3. Step 3: Cross multiply
   13,787.16x = 19,037.34 × 9,588.12
4. Step 4: Simplify right side
   13,787.16x = 182,532,300.40
5. Step 5: Solve for x
   x = 182,532,300.40/13,787.16
6. Step 6: Final answer
   x = 13,239.30