Finding the Fourth Proportional to 9,243.01, 12,769.83 and 8,787.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.01 : 12,769.83 = 8,787.84 : x
2. Step 2: Convert to fraction form
   9,243.01/12,769.83 = 8,787.84/x
3. Step 3: Cross multiply
   9,243.01x = 12,769.83 × 8,787.84
4. Step 4: Simplify right side
   9,243.01x = 112,219,222.87
5. Step 5: Solve for x
   x = 112,219,222.87/9,243.01
6. Step 6: Final answer
   x = 12,140.98