Finding the Fourth Proportional to 16,791, 23,171.98 and 9,237.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,791 : 23,171.98 = 9,237.74 : x
2. Step 2: Convert to fraction form
   16,791/23,171.98 = 9,237.74/x
3. Step 3: Cross multiply
   16,791x = 23,171.98 × 9,237.74
4. Step 4: Simplify right side
   16,791x = 214,056,726.53
5. Step 5: Solve for x
   x = 214,056,726.53/16,791
6. Step 6: Final answer
   x = 12,748.30