Finding the Fourth Proportional to 17,085.47, 23,588.62 and 13,098.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,085.47 : 23,588.62 = 13,098.92 : x
2. Step 2: Convert to fraction form
   17,085.47/23,588.62 = 13,098.92/x
3. Step 3: Cross multiply
   17,085.47x = 23,588.62 × 13,098.92
4. Step 4: Simplify right side
   17,085.47x = 308,985,295.60
5. Step 5: Solve for x
   x = 308,985,295.60/17,085.47
6. Step 6: Final answer
   x = 18,084.69