Finding the Fourth Proportional to 13,848.51, 19,111.37 and 7,881.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,848.51 : 19,111.37 = 7,881.04 : x
2. Step 2: Convert to fraction form
   13,848.51/19,111.37 = 7,881.04/x
3. Step 3: Cross multiply
   13,848.51x = 19,111.37 × 7,881.04
4. Step 4: Simplify right side
   13,848.51x = 150,617,384.24
5. Step 5: Solve for x
   x = 150,617,384.24/13,848.51
6. Step 6: Final answer
   x = 10,876.07