Finding the Fourth Proportional to 14,157.25, 19,537.41 and 7,870.03

Step by Step Solution

1. Step 1: Write the proportion equation
   14,157.25 : 19,537.41 = 7,870.03 : x
2. Step 2: Convert to fraction form
   14,157.25/19,537.41 = 7,870.03/x
3. Step 3: Cross multiply
   14,157.25x = 19,537.41 × 7,870.03
4. Step 4: Simplify right side
   14,157.25x = 153,760,002.82
5. Step 5: Solve for x
   x = 153,760,002.82/14,157.25
6. Step 6: Final answer
   x = 10,860.87