Finding the Fourth Proportional to 13,770.80, 19,003.47 and 7,483.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,770.80 : 19,003.47 = 7,483.13 : x
2. Step 2: Convert to fraction form
   13,770.80/19,003.47 = 7,483.13/x
3. Step 3: Cross multiply
   13,770.80x = 19,003.47 × 7,483.13
4. Step 4: Simplify right side
   13,770.80x = 142,205,436.46
5. Step 5: Solve for x
   x = 142,205,436.46/13,770.80
6. Step 6: Final answer
   x = 10,326.59