Finding the Fourth Proportional to 9,072.99, 13,611.43 and 3,150.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.99 : 13,611.43 = 3,150.06 : x
2. Step 2: Convert to fraction form
   9,072.99/13,611.43 = 3,150.06/x
3. Step 3: Cross multiply
   9,072.99x = 13,611.43 × 3,150.06
4. Step 4: Simplify right side
   9,072.99x = 42,876,838.83
5. Step 5: Solve for x
   x = 42,876,838.83/9,072.99
6. Step 6: Final answer
   x = 4,725.77