Finding the Fourth Proportional to 10,898.82, 16,345.80 and 5,054.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,898.82 : 16,345.80 = 5,054.67 : x
2. Step 2: Convert to fraction form
   10,898.82/16,345.80 = 5,054.67/x
3. Step 3: Cross multiply
   10,898.82x = 16,345.80 × 5,054.67
4. Step 4: Simplify right side
   10,898.82x = 82,622,599.61
5. Step 5: Solve for x
   x = 82,622,599.61/10,898.82
6. Step 6: Final answer
   x = 7,580.88