Finding the Fourth Proportional to 17,673.47, 26,503.71 and 5,190.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,673.47 : 26,503.71 = 5,190.29 : x
2. Step 2: Convert to fraction form
   17,673.47/26,503.71 = 5,190.29/x
3. Step 3: Cross multiply
   17,673.47x = 26,503.71 × 5,190.29
4. Step 4: Simplify right side
   17,673.47x = 137,561,940.98
5. Step 5: Solve for x
   x = 137,561,940.98/17,673.47
6. Step 6: Final answer
   x = 7,783.53