Finding the Fourth Proportional to 13,849.12, 19,111.71 and 7,561.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,849.12 : 19,111.71 = 7,561.45 : x
2. Step 2: Convert to fraction form
   13,849.12/19,111.71 = 7,561.45/x
3. Step 3: Cross multiply
   13,849.12x = 19,111.71 × 7,561.45
4. Step 4: Simplify right side
   13,849.12x = 144,512,239.58
5. Step 5: Solve for x
   x = 144,512,239.58/13,849.12
6. Step 6: Final answer
   x = 10,434.76