Finding the Fourth Proportional to 7,813.86, 10,783.86 and 4,669.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,813.86 : 10,783.86 = 4,669.98 : x
2. Step 2: Convert to fraction form
   7,813.86/10,783.86 = 4,669.98/x
3. Step 3: Cross multiply
   7,813.86x = 10,783.86 × 4,669.98
4. Step 4: Simplify right side
   7,813.86x = 50,360,410.52
5. Step 5: Solve for x
   x = 50,360,410.52/7,813.86
6. Step 6: Final answer
   x = 6,445.01