Finding the Fourth Proportional to 9,312.96, 12,854.32 and 5,774.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,312.96 : 12,854.32 = 5,774.16 : x
2. Step 2: Convert to fraction form
   9,312.96/12,854.32 = 5,774.16/x
3. Step 3: Cross multiply
   9,312.96x = 12,854.32 × 5,774.16
4. Step 4: Simplify right side
   9,312.96x = 74,222,900.37
5. Step 5: Solve for x
   x = 74,222,900.37/9,312.96
6. Step 6: Final answer
   x = 7,969.85