Finding the Fourth Proportional to 13,848.72, 19,109.44 and 7,798.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,848.72 : 19,109.44 = 7,798.18 : x
2. Step 2: Convert to fraction form
   13,848.72/19,109.44 = 7,798.18/x
3. Step 3: Cross multiply
   13,848.72x = 19,109.44 × 7,798.18
4. Step 4: Simplify right side
   13,848.72x = 149,018,852.82
5. Step 5: Solve for x
   x = 149,018,852.82/13,848.72
6. Step 6: Final answer
   x = 10,760.48