Finding the Fourth Proportional to 13,781.96, 19,019.16 and 7,494.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,781.96 : 19,019.16 = 7,494.32 : x
2. Step 2: Convert to fraction form
   13,781.96/19,019.16 = 7,494.32/x
3. Step 3: Cross multiply
   13,781.96x = 19,019.16 × 7,494.32
4. Step 4: Simplify right side
   13,781.96x = 142,535,671.17
5. Step 5: Solve for x
   x = 142,535,671.17/13,781.96
6. Step 6: Final answer
   x = 10,342.19