Finding the Fourth Proportional to 7,902.72, 10,897.56 and 6,787.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,902.72 : 10,897.56 = 6,787.34 : x
2. Step 2: Convert to fraction form
   7,902.72/10,897.56 = 6,787.34/x
3. Step 3: Cross multiply
   7,902.72x = 10,897.56 × 6,787.34
4. Step 4: Simplify right side
   7,902.72x = 73,965,444.89
5. Step 5: Solve for x
   x = 73,965,444.89/7,902.72
6. Step 6: Final answer
   x = 9,359.49