Finding the Fourth Proportional to 9,774.84, 14,608.58 and 7,147.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,774.84 : 14,608.58 = 7,147.86 : x
2. Step 2: Convert to fraction form
   9,774.84/14,608.58 = 7,147.86/x
3. Step 3: Cross multiply
   9,774.84x = 14,608.58 × 7,147.86
4. Step 4: Simplify right side
   9,774.84x = 104,420,084.64
5. Step 5: Solve for x
   x = 104,420,084.64/9,774.84
6. Step 6: Final answer
   x = 10,682.54