Finding the Fourth Proportional to 13,780.59, 19,017.16 and 7,492.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,780.59 : 19,017.16 = 7,492.96 : x
2. Step 2: Convert to fraction form
   13,780.59/19,017.16 = 7,492.96/x
3. Step 3: Cross multiply
   13,780.59x = 19,017.16 × 7,492.96
4. Step 4: Simplify right side
   13,780.59x = 142,494,819.19
5. Step 5: Solve for x
   x = 142,494,819.19/13,780.59
6. Step 6: Final answer
   x = 10,340.26