Finding the Fourth Proportional to 13,849.21, 19,111.02 and 7,561.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,849.21 : 19,111.02 = 7,561.58 : x
2. Step 2: Convert to fraction form
   13,849.21/19,111.02 = 7,561.58/x
3. Step 3: Cross multiply
   13,849.21x = 19,111.02 × 7,561.58
4. Step 4: Simplify right side
   13,849.21x = 144,509,506.61
5. Step 5: Solve for x
   x = 144,509,506.61/13,849.21
6. Step 6: Final answer
   x = 10,434.50