Finding the Fourth Proportional to 13,877.82, 19,153.53 and 10,916.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,877.82 : 19,153.53 = 10,916.10 : x
2. Step 2: Convert to fraction form
   13,877.82/19,153.53 = 10,916.10/x
3. Step 3: Cross multiply
   13,877.82x = 19,153.53 × 10,916.10
4. Step 4: Simplify right side
   13,877.82x = 209,081,848.83
5. Step 5: Solve for x
   x = 209,081,848.83/13,877.82
6. Step 6: Final answer
   x = 15,065.90