Finding the Fourth Proportional to 8,780.72, 12,117.73 and 5,004.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,780.72 : 12,117.73 = 5,004.48 : x
2. Step 2: Convert to fraction form
   8,780.72/12,117.73 = 5,004.48/x
3. Step 3: Cross multiply
   8,780.72x = 12,117.73 × 5,004.48
4. Step 4: Simplify right side
   8,780.72x = 60,642,961.47
5. Step 5: Solve for x
   x = 60,642,961.47/8,780.72
6. Step 6: Final answer
   x = 6,906.38