Finding the Fourth Proportional to 7,109.35, 10,656.57 and 3,984.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109.35 : 10,656.57 = 3,984.77 : x
2. Step 2: Convert to fraction form
   7,109.35/10,656.57 = 3,984.77/x
3. Step 3: Cross multiply
   7,109.35x = 10,656.57 × 3,984.77
4. Step 4: Simplify right side
   7,109.35x = 42,463,980.44
5. Step 5: Solve for x
   x = 42,463,980.44/7,109.35
6. Step 6: Final answer
   x = 5,972.98