Finding the Fourth Proportional to 7,730.80, 10,667.72 and 4,746.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,730.80 : 10,667.72 = 4,746.76 : x
2. Step 2: Convert to fraction form
   7,730.80/10,667.72 = 4,746.76/x
3. Step 3: Cross multiply
   7,730.80x = 10,667.72 × 4,746.76
4. Step 4: Simplify right side
   7,730.80x = 50,637,106.59
5. Step 5: Solve for x
   x = 50,637,106.59/7,730.80
6. Step 6: Final answer
   x = 6,550.05