Finding the Fourth Proportional to 12,070.46, 16,657.42 and 7,034.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,070.46 : 16,657.42 = 7,034.55 : x
2. Step 2: Convert to fraction form
   12,070.46/16,657.42 = 7,034.55/x
3. Step 3: Cross multiply
   12,070.46x = 16,657.42 × 7,034.55
4. Step 4: Simplify right side
   12,070.46x = 117,177,453.86
5. Step 5: Solve for x
   x = 117,177,453.86/12,070.46
6. Step 6: Final answer
   x = 9,707.79