Finding the Fourth Proportional to 12,998.16, 19,499.04 and 4,676.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,998.16 : 19,499.04 = 4,676.63 : x
2. Step 2: Convert to fraction form
   12,998.16/19,499.04 = 4,676.63/x
3. Step 3: Cross multiply
   12,998.16x = 19,499.04 × 4,676.63
4. Step 4: Simplify right side
   12,998.16x = 91,189,697.94
5. Step 5: Solve for x
   x = 91,189,697.94/12,998.16
6. Step 6: Final answer
   x = 7,015.59