Finding the Fourth Proportional to 13,837.92, 19,095.72 and 7,870.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,837.92 : 19,095.72 = 7,870.08 : x
2. Step 2: Convert to fraction form
   13,837.92/19,095.72 = 7,870.08/x
3. Step 3: Cross multiply
   13,837.92x = 19,095.72 × 7,870.08
4. Step 4: Simplify right side
   13,837.92x = 150,284,844.06
5. Step 5: Solve for x
   x = 150,284,844.06/13,837.92
6. Step 6: Final answer
   x = 10,860.36