Finding the Fourth Proportional to 9,270.61, 12,793.77 and 5,078.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.61 : 12,793.77 = 5,078.86 : x
2. Step 2: Convert to fraction form
   9,270.61/12,793.77 = 5,078.86/x
3. Step 3: Cross multiply
   9,270.61x = 12,793.77 × 5,078.86
4. Step 4: Simplify right side
   9,270.61x = 64,977,677.34
5. Step 5: Solve for x
   x = 64,977,677.34/9,270.61
6. Step 6: Final answer
   x = 7,009.00