Finding the Fourth Proportional to 13,781.25, 19,018.53 and 7,494.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,781.25 : 19,018.53 = 7,494.03 : x
2. Step 2: Convert to fraction form
   13,781.25/19,018.53 = 7,494.03/x
3. Step 3: Cross multiply
   13,781.25x = 19,018.53 × 7,494.03
4. Step 4: Simplify right side
   13,781.25x = 142,525,434.38
5. Step 5: Solve for x
   x = 142,525,434.38/13,781.25
6. Step 6: Final answer
   x = 10,341.98