Finding the Fourth Proportional to 10,101.72, 15,153.16 and 3,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,101.72 : 15,153.16 = 3,081.98 : x
2. Step 2: Convert to fraction form
   10,101.72/15,153.16 = 3,081.98/x
3. Step 3: Cross multiply
   10,101.72x = 15,153.16 × 3,081.98
4. Step 4: Simplify right side
   10,101.72x = 46,701,736.06
5. Step 5: Solve for x
   x = 46,701,736.06/10,101.72
6. Step 6: Final answer
   x = 4,623.15