Finding the Fourth Proportional to 13,859.04, 19,124.88 and 7,571.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,859.04 : 19,124.88 = 7,571.52 : x
2. Step 2: Convert to fraction form
   13,859.04/19,124.88 = 7,571.52/x
3. Step 3: Cross multiply
   13,859.04x = 19,124.88 × 7,571.52
4. Step 4: Simplify right side
   13,859.04x = 144,804,411.42
5. Step 5: Solve for x
   x = 144,804,411.42/13,859.04
6. Step 6: Final answer
   x = 10,448.37