Finding the Fourth Proportional to 10,072.94, 15,081.71 and 7,600.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.94 : 15,081.71 = 7,600.25 : x
2. Step 2: Convert to fraction form
   10,072.94/15,081.71 = 7,600.25/x
3. Step 3: Cross multiply
   10,072.94x = 15,081.71 × 7,600.25
4. Step 4: Simplify right side
   10,072.94x = 114,624,653.02
5. Step 5: Solve for x
   x = 114,624,653.02/10,072.94
6. Step 6: Final answer
   x = 11,379.47