Finding the Fourth Proportional to 18,574.72, 27,870.32 and 7,503.03

Step by Step Solution

1. Step 1: Write the proportion equation
   18,574.72 : 27,870.32 = 7,503.03 : x
2. Step 2: Convert to fraction form
   18,574.72/27,870.32 = 7,503.03/x
3. Step 3: Cross multiply
   18,574.72x = 27,870.32 × 7,503.03
4. Step 4: Simplify right side
   18,574.72x = 209,111,865.83
5. Step 5: Solve for x
   x = 209,111,865.83/18,574.72
6. Step 6: Final answer
   x = 11,257.88