Finding the Fourth Proportional to 13,842.56, 19,102.56 and 7,555.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,842.56 : 19,102.56 = 7,555.28 : x
2. Step 2: Convert to fraction form
   13,842.56/19,102.56 = 7,555.28/x
3. Step 3: Cross multiply
   13,842.56x = 19,102.56 × 7,555.28
4. Step 4: Simplify right side
   13,842.56x = 144,325,189.52
5. Step 5: Solve for x
   x = 144,325,189.52/13,842.56
6. Step 6: Final answer
   x = 10,426.19