Finding the Fourth Proportional to 9,796.10, 14,700.45 and 5,416.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.10 : 14,700.45 = 5,416.70 : x
2. Step 2: Convert to fraction form
   9,796.10/14,700.45 = 5,416.70/x
3. Step 3: Cross multiply
   9,796.10x = 14,700.45 × 5,416.70
4. Step 4: Simplify right side
   9,796.10x = 79,627,927.52
5. Step 5: Solve for x
   x = 79,627,927.52/9,796.10
6. Step 6: Final answer
   x = 8,128.53