Finding the Fourth Proportional to 21,091.98, 29,088.07 and 17,501.23

Step by Step Solution

1. Step 1: Write the proportion equation
   21,091.98 : 29,088.07 = 17,501.23 : x
2. Step 2: Convert to fraction form
   21,091.98/29,088.07 = 17,501.23/x
3. Step 3: Cross multiply
   21,091.98x = 29,088.07 × 17,501.23
4. Step 4: Simplify right side
   21,091.98x = 509,076,995.93
5. Step 5: Solve for x
   x = 509,076,995.93/21,091.98
6. Step 6: Final answer
   x = 24,136.04