Finding the Fourth Proportional to 10,998.72, 16,506.72 and 6,071.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.72 : 16,506.72 = 6,071.76 : x
2. Step 2: Convert to fraction form
   10,998.72/16,506.72 = 6,071.76/x
3. Step 3: Cross multiply
   10,998.72x = 16,506.72 × 6,071.76
4. Step 4: Simplify right side
   10,998.72x = 100,224,842.23
5. Step 5: Solve for x
   x = 100,224,842.23/10,998.72
6. Step 6: Final answer
   x = 9,112.41