Finding the Fourth Proportional to 10,111.83, 15,157.33 and 3,870.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.83 : 15,157.33 = 3,870.14 : x
2. Step 2: Convert to fraction form
   10,111.83/15,157.33 = 3,870.14/x
3. Step 3: Cross multiply
   10,111.83x = 15,157.33 × 3,870.14
4. Step 4: Simplify right side
   10,111.83x = 58,660,903.66
5. Step 5: Solve for x
   x = 58,660,903.66/10,111.83
6. Step 6: Final answer
   x = 5,801.22