Finding the Fourth Proportional to 13,779.88, 19,016.17 and 7,492.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,779.88 : 19,016.17 = 7,492.25 : x
2. Step 2: Convert to fraction form
   13,779.88/19,016.17 = 7,492.25/x
3. Step 3: Cross multiply
   13,779.88x = 19,016.17 × 7,492.25
4. Step 4: Simplify right side
   13,779.88x = 142,473,928.49
5. Step 5: Solve for x
   x = 142,473,928.49/13,779.88
6. Step 6: Final answer
   x = 10,339.27