Finding the Fourth Proportional to 13,849.34, 19,112.09 and 7,561.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,849.34 : 19,112.09 = 7,561.72 : x
2. Step 2: Convert to fraction form
   13,849.34/19,112.09 = 7,561.72/x
3. Step 3: Cross multiply
   13,849.34x = 19,112.09 × 7,561.72
4. Step 4: Simplify right side
   13,849.34x = 144,520,187.61
5. Step 5: Solve for x
   x = 144,520,187.61/13,849.34
6. Step 6: Final answer
   x = 10,435.17