Finding the Fourth Proportional to 13,842.85, 19,102.86 and 7,555.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,842.85 : 19,102.86 = 7,555.27 : x
2. Step 2: Convert to fraction form
   13,842.85/19,102.86 = 7,555.27/x
3. Step 3: Cross multiply
   13,842.85x = 19,102.86 × 7,555.27
4. Step 4: Simplify right side
   13,842.85x = 144,327,131.78
5. Step 5: Solve for x
   x = 144,327,131.78/13,842.85
6. Step 6: Final answer
   x = 10,426.12