Finding the Fourth Proportional to 15,821.51, 23,743.94 and 7,501.55

Step by Step Solution

1. Step 1: Write the proportion equation
   15,821.51 : 23,743.94 = 7,501.55 : x
2. Step 2: Convert to fraction form
   15,821.51/23,743.94 = 7,501.55/x
3. Step 3: Cross multiply
   15,821.51x = 23,743.94 × 7,501.55
4. Step 4: Simplify right side
   15,821.51x = 178,116,196.88
5. Step 5: Solve for x
   x = 178,116,196.88/15,821.51
6. Step 6: Final answer
   x = 11,257.85