Finding the Fourth Proportional to 14,041.68, 21,066.48 and 5,156.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,041.68 : 21,066.48 = 5,156.16 : x
2. Step 2: Convert to fraction form
   14,041.68/21,066.48 = 5,156.16/x
3. Step 3: Cross multiply
   14,041.68x = 21,066.48 × 5,156.16
4. Step 4: Simplify right side
   14,041.68x = 108,622,141.52
5. Step 5: Solve for x
   x = 108,622,141.52/14,041.68
6. Step 6: Final answer
   x = 7,735.69