Finding the Fourth Proportional to 13,860.72, 19,126.88 and 7,573.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,860.72 : 19,126.88 = 7,573.08 : x
2. Step 2: Convert to fraction form
   13,860.72/19,126.88 = 7,573.08/x
3. Step 3: Cross multiply
   13,860.72x = 19,126.88 × 7,573.08
4. Step 4: Simplify right side
   13,860.72x = 144,849,392.39
5. Step 5: Solve for x
   x = 144,849,392.39/13,860.72
6. Step 6: Final answer
   x = 10,450.35