Finding the Fourth Proportional to 7,355.76, 10,145.55 and 4,667.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,355.76 : 10,145.55 = 4,667.79 : x
2. Step 2: Convert to fraction form
   7,355.76/10,145.55 = 4,667.79/x
3. Step 3: Cross multiply
   7,355.76x = 10,145.55 × 4,667.79
4. Step 4: Simplify right side
   7,355.76x = 47,357,296.83
5. Step 5: Solve for x
   x = 47,357,296.83/7,355.76
6. Step 6: Final answer
   x = 6,438.12