Finding the Fourth Proportional to 13,779.59, 19,017.52 and 8,114.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,779.59 : 19,017.52 = 8,114.04 : x
2. Step 2: Convert to fraction form
   13,779.59/19,017.52 = 8,114.04/x
3. Step 3: Cross multiply
   13,779.59x = 19,017.52 × 8,114.04
4. Step 4: Simplify right side
   13,779.59x = 154,308,897.70
5. Step 5: Solve for x
   x = 154,308,897.70/13,779.59
6. Step 6: Final answer
   x = 11,198.37