Finding the Fourth Proportional to 13,848.17, 19,111.55 and 7,881.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,848.17 : 19,111.55 = 7,881.71 : x
2. Step 2: Convert to fraction form
   13,848.17/19,111.55 = 7,881.71/x
3. Step 3: Cross multiply
   13,848.17x = 19,111.55 × 7,881.71
4. Step 4: Simplify right side
   13,848.17x = 150,631,559.78
5. Step 5: Solve for x
   x = 150,631,559.78/13,848.17
6. Step 6: Final answer
   x = 10,877.37