Finding the Fourth Proportional to 13,770.88, 19,003.52 and 7,483.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,770.88 : 19,003.52 = 7,483.20 : x
2. Step 2: Convert to fraction form
   13,770.88/19,003.52 = 7,483.20/x
3. Step 3: Cross multiply
   13,770.88x = 19,003.52 × 7,483.20
4. Step 4: Simplify right side
   13,770.88x = 142,207,140.86
5. Step 5: Solve for x
   x = 142,207,140.86/13,770.88
6. Step 6: Final answer
   x = 10,326.66