Finding the Fourth Proportional to 8,729.61, 12,047.50 and 4,953.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,729.61 : 12,047.50 = 4,953.42 : x
2. Step 2: Convert to fraction form
   8,729.61/12,047.50 = 4,953.42/x
3. Step 3: Cross multiply
   8,729.61x = 12,047.50 × 4,953.42
4. Step 4: Simplify right side
   8,729.61x = 59,676,333.64
5. Step 5: Solve for x
   x = 59,676,333.64/8,729.61
6. Step 6: Final answer
   x = 6,836.09