Finding the Fourth Proportional to 10,152.36, 14,014.06 and 7,641.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,152.36 : 14,014.06 = 7,641.72 : x
2. Step 2: Convert to fraction form
   10,152.36/14,014.06 = 7,641.72/x
3. Step 3: Cross multiply
   10,152.36x = 14,014.06 × 7,641.72
4. Step 4: Simplify right side
   10,152.36x = 107,091,414.30
5. Step 5: Solve for x
   x = 107,091,414.30/10,152.36
6. Step 6: Final answer
   x = 10,548.43