Finding the Fourth Proportional to 6,300.79, 8,696.05 and 3,784.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300.79 : 8,696.05 = 3,784.29 : x
2. Step 2: Convert to fraction form
   6,300.79/8,696.05 = 3,784.29/x
3. Step 3: Cross multiply
   6,300.79x = 8,696.05 × 3,784.29
4. Step 4: Simplify right side
   6,300.79x = 32,908,375.05
5. Step 5: Solve for x
   x = 32,908,375.05/6,300.79
6. Step 6: Final answer
   x = 5,222.90