Finding the Fourth Proportional to 13,773.69, 19,007.55 and 7,486.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.69 : 19,007.55 = 7,486.02 : x
2. Step 2: Convert to fraction form
   13,773.69/19,007.55 = 7,486.02/x
3. Step 3: Cross multiply
   13,773.69x = 19,007.55 × 7,486.02
4. Step 4: Simplify right side
   13,773.69x = 142,290,899.45
5. Step 5: Solve for x
   x = 142,290,899.45/13,773.69
6. Step 6: Final answer
   x = 10,330.63