Finding the Fourth Proportional to 13,852.98, 19,117.80 and 7,565.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,852.98 : 19,117.80 = 7,565.31 : x
2. Step 2: Convert to fraction form
   13,852.98/19,117.80 = 7,565.31/x
3. Step 3: Cross multiply
   13,852.98x = 19,117.80 × 7,565.31
4. Step 4: Simplify right side
   13,852.98x = 144,632,083.52
5. Step 5: Solve for x
   x = 144,632,083.52/13,852.98
6. Step 6: Final answer
   x = 10,440.50