Finding the Fourth Proportional to 6,321.86, 9,475.40 and 4,756.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,321.86 : 9,475.40 = 4,756.84 : x
2. Step 2: Convert to fraction form
   6,321.86/9,475.40 = 4,756.84/x
3. Step 3: Cross multiply
   6,321.86x = 9,475.40 × 4,756.84
4. Step 4: Simplify right side
   6,321.86x = 45,072,985.47
5. Step 5: Solve for x
   x = 45,072,985.47/6,321.86
6. Step 6: Final answer
   x = 7,129.70