Finding the Fourth Proportional to 9,200.72, 12,698.12 and 6,070.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200.72 : 12,698.12 = 6,070.96 : x
2. Step 2: Convert to fraction form
   9,200.72/12,698.12 = 6,070.96/x
3. Step 3: Cross multiply
   9,200.72x = 12,698.12 × 6,070.96
4. Step 4: Simplify right side
   9,200.72x = 77,089,778.60
5. Step 5: Solve for x
   x = 77,089,778.60/9,200.72
6. Step 6: Final answer
   x = 8,378.67