Finding the Fourth Proportional to 13,849.20, 19,111.59 and 7,561.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,849.20 : 19,111.59 = 7,561.58 : x
2. Step 2: Convert to fraction form
   13,849.20/19,111.59 = 7,561.58/x
3. Step 3: Cross multiply
   13,849.20x = 19,111.59 × 7,561.58
4. Step 4: Simplify right side
   13,849.20x = 144,513,721.15
5. Step 5: Solve for x
   x = 144,513,721.15/13,849.20
6. Step 6: Final answer
   x = 10,434.81