Finding the Fourth Proportional to 12,427.84, 17,156.77 and 9,588.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.84 : 17,156.77 = 9,588.83 : x
2. Step 2: Convert to fraction form
   12,427.84/17,156.77 = 9,588.83/x
3. Step 3: Cross multiply
   12,427.84x = 17,156.77 × 9,588.83
4. Step 4: Simplify right side
   12,427.84x = 164,513,302.93
5. Step 5: Solve for x
   x = 164,513,302.93/12,427.84
6. Step 6: Final answer
   x = 13,237.49