Finding the Fourth Proportional to 13,848.72, 19,111.22 and 7,561.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,848.72 : 19,111.22 = 7,561.09 : x
2. Step 2: Convert to fraction form
   13,848.72/19,111.22 = 7,561.09/x
3. Step 3: Cross multiply
   13,848.72x = 19,111.22 × 7,561.09
4. Step 4: Simplify right side
   13,848.72x = 144,501,654.43
5. Step 5: Solve for x
   x = 144,501,654.43/13,848.72
6. Step 6: Final answer
   x = 10,434.30