Finding the Fourth Proportional to 6,978.07, 10,467.09 and 1,783.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.07 : 10,467.09 = 1,783.93 : x
2. Step 2: Convert to fraction form
   6,978.07/10,467.09 = 1,783.93/x
3. Step 3: Cross multiply
   6,978.07x = 10,467.09 × 1,783.93
4. Step 4: Simplify right side
   6,978.07x = 18,672,555.86
5. Step 5: Solve for x
   x = 18,672,555.86/6,978.07
6. Step 6: Final answer
   x = 2,675.89