Finding the Fourth Proportional to 13,849.45, 19,112.18 and 7,881.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,849.45 : 19,112.18 = 7,881.08 : x
2. Step 2: Convert to fraction form
   13,849.45/19,112.18 = 7,881.08/x
3. Step 3: Cross multiply
   13,849.45x = 19,112.18 × 7,881.08
4. Step 4: Simplify right side
   13,849.45x = 150,624,484.59
5. Step 5: Solve for x
   x = 150,624,484.59/13,849.45
6. Step 6: Final answer
   x = 10,875.85