Finding the Fourth Proportional to 9,112.31, 12,577.34 and 5,933.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.31 : 12,577.34 = 5,933.55 : x
2. Step 2: Convert to fraction form
   9,112.31/12,577.34 = 5,933.55/x
3. Step 3: Cross multiply
   9,112.31x = 12,577.34 × 5,933.55
4. Step 4: Simplify right side
   9,112.31x = 74,628,267.01
5. Step 5: Solve for x
   x = 74,628,267.01/9,112.31
6. Step 6: Final answer
   x = 8,189.83