Finding the Fourth Proportional to 13,781.94, 19,019.09 and 7,494.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,781.94 : 19,019.09 = 7,494.32 : x
2. Step 2: Convert to fraction form
   13,781.94/19,019.09 = 7,494.32/x
3. Step 3: Cross multiply
   13,781.94x = 19,019.09 × 7,494.32
4. Step 4: Simplify right side
   13,781.94x = 142,535,014.00
5. Step 5: Solve for x
   x = 142,535,014.00/13,781.94
6. Step 6: Final answer
   x = 10,342.16