Finding the Fourth Proportional to 10,016.25, 13,820.32 and 7,625.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.25 : 13,820.32 = 7,625.74 : x
2. Step 2: Convert to fraction form
   10,016.25/13,820.32 = 7,625.74/x
3. Step 3: Cross multiply
   10,016.25x = 13,820.32 × 7,625.74
4. Step 4: Simplify right side
   10,016.25x = 105,390,167.04
5. Step 5: Solve for x
   x = 105,390,167.04/10,016.25
6. Step 6: Final answer
   x = 10,521.92