Finding the Fourth Proportional to 8,778.34, 12,112.64 and 5,001.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778.34 : 12,112.64 = 5,001.56 : x
2. Step 2: Convert to fraction form
   8,778.34/12,112.64 = 5,001.56/x
3. Step 3: Cross multiply
   8,778.34x = 12,112.64 × 5,001.56
4. Step 4: Simplify right side
   8,778.34x = 60,582,095.72
5. Step 5: Solve for x
   x = 60,582,095.72/8,778.34
6. Step 6: Final answer
   x = 6,901.32