Finding the Fourth Proportional to 14,155.89, 19,535.10 and 7,868.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,155.89 : 19,535.10 = 7,868.25 : x
2. Step 2: Convert to fraction form
   14,155.89/19,535.10 = 7,868.25/x
3. Step 3: Cross multiply
   14,155.89x = 19,535.10 × 7,868.25
4. Step 4: Simplify right side
   14,155.89x = 153,707,050.58
5. Step 5: Solve for x
   x = 153,707,050.58/14,155.89
6. Step 6: Final answer
   x = 10,858.17