Finding the Fourth Proportional to 10,753.81, 16,130.69 and 7,055.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,753.81 : 16,130.69 = 7,055.16 : x
2. Step 2: Convert to fraction form
   10,753.81/16,130.69 = 7,055.16/x
3. Step 3: Cross multiply
   10,753.81x = 16,130.69 × 7,055.16
4. Step 4: Simplify right side
   10,753.81x = 113,804,598.86
5. Step 5: Solve for x
   x = 113,804,598.86/10,753.81
6. Step 6: Final answer
   x = 10,582.72