Finding the Fourth Proportional to 5,308.42, 7,962.78 and 1,412.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.42 : 7,962.78 = 1,412.83 : x
2. Step 2: Convert to fraction form
   5,308.42/7,962.78 = 1,412.83/x
3. Step 3: Cross multiply
   5,308.42x = 7,962.78 × 1,412.83
4. Step 4: Simplify right side
   5,308.42x = 11,250,054.47
5. Step 5: Solve for x
   x = 11,250,054.47/5,308.42
6. Step 6: Final answer
   x = 2,119.28