Finding the Fourth Proportional to 5,173,553.72, 7,139,665.30 and 2,968,820.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,173,553.72 : 7,139,665.30 = 2,968,820.28 : x
2. Step 2: Convert to fraction form
   5,173,553.72/7,139,665.30 = 2,968,820.28/x
3. Step 3: Cross multiply
   5,173,553.72x = 7,139,665.30 × 2,968,820.28
4. Step 4: Simplify right side
   5,173,553.72x = 21,196,383,135,052.28
5. Step 5: Solve for x
   x = 21,196,383,135,052.28/5,173,553.72
6. Step 6: Final answer
   x = 4,097,064.47