Finding the Fourth Proportional to 7,807.76, 10,774.52 and 4,270.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,807.76 : 10,774.52 = 4,270.89 : x
2. Step 2: Convert to fraction form
   7,807.76/10,774.52 = 4,270.89/x
3. Step 3: Cross multiply
   7,807.76x = 10,774.52 × 4,270.89
4. Step 4: Simplify right side
   7,807.76x = 46,016,824.79
5. Step 5: Solve for x
   x = 46,016,824.79/7,807.76
6. Step 6: Final answer
   x = 5,893.73