Finding the Fourth Proportional to 10,720.41, 14,784.30 and 7,357.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,720.41 : 14,784.30 = 7,357.29 : x
2. Step 2: Convert to fraction form
   10,720.41/14,784.30 = 7,357.29/x
3. Step 3: Cross multiply
   10,720.41x = 14,784.30 × 7,357.29
4. Step 4: Simplify right side
   10,720.41x = 108,772,382.55
5. Step 5: Solve for x
   x = 108,772,382.55/10,720.41
6. Step 6: Final answer
   x = 10,146.29