Finding the Fourth Proportional to 10,641.88, 15,968.29 and 4,722.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,641.88 : 15,968.29 = 4,722.82 : x
2. Step 2: Convert to fraction form
   10,641.88/15,968.29 = 4,722.82/x
3. Step 3: Cross multiply
   10,641.88x = 15,968.29 × 4,722.82
4. Step 4: Simplify right side
   10,641.88x = 75,415,307.65
5. Step 5: Solve for x
   x = 75,415,307.65/10,641.88
6. Step 6: Final answer
   x = 7,086.65