Finding the Fourth Proportional to 13,878.02, 19,151.99 and 7,910.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,878.02 : 19,151.99 = 7,910.24 : x
2. Step 2: Convert to fraction form
   13,878.02/19,151.99 = 7,910.24/x
3. Step 3: Cross multiply
   13,878.02x = 19,151.99 × 7,910.24
4. Step 4: Simplify right side
   13,878.02x = 151,496,702.07
5. Step 5: Solve for x
   x = 151,496,702.07/13,878.02
6. Step 6: Final answer
   x = 10,916.31