Finding the Fourth Proportional to 13,837.37, 19,094.82 and 7,868.21

Step by Step Solution

1. Step 1: Write the proportion equation
   13,837.37 : 19,094.82 = 7,868.21 : x
2. Step 2: Convert to fraction form
   13,837.37/19,094.82 = 7,868.21/x
3. Step 3: Cross multiply
   13,837.37x = 19,094.82 × 7,868.21
4. Step 4: Simplify right side
   13,837.37x = 150,242,053.67
5. Step 5: Solve for x
   x = 150,242,053.67/13,837.37
6. Step 6: Final answer
   x = 10,857.70