Finding the Fourth Proportional to 7,091.86, 9,787.94 and 5,410.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,091.86 : 9,787.94 = 5,410.09 : x
2. Step 2: Convert to fraction form
   7,091.86/9,787.94 = 5,410.09/x
3. Step 3: Cross multiply
   7,091.86x = 9,787.94 × 5,410.09
4. Step 4: Simplify right side
   7,091.86x = 52,953,624.67
5. Step 5: Solve for x
   x = 52,953,624.67/7,091.86
6. Step 6: Final answer
   x = 7,466.82