Finding the Fourth Proportional to 7,123,448.72, 10,685,023.22 and 1,732,126.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123,448.72 : 10,685,023.22 = 1,732,126.80 : x
2. Step 2: Convert to fraction form
   7,123,448.72/10,685,023.22 = 1,732,126.80/x
3. Step 3: Cross multiply
   7,123,448.72x = 10,685,023.22 × 1,732,126.80
4. Step 4: Simplify right side
   7,123,448.72x = 18,507,815,077,984.30
5. Step 5: Solve for x
   x = 18,507,815,077,984.30/7,123,448.72
6. Step 6: Final answer
   x = 2,598,153.76