Finding the Fourth Proportional to 684,048.72, 943,968.72 and 373,938.96

Step by Step Solution

1. Step 1: Write the proportion equation
   684,048.72 : 943,968.72 = 373,938.96 : x
2. Step 2: Convert to fraction form
   684,048.72/943,968.72 = 373,938.96/x
3. Step 3: Cross multiply
   684,048.72x = 943,968.72 × 373,938.96
4. Step 4: Simplify right side
   684,048.72x = 352,986,681,429.33
5. Step 5: Solve for x
   x = 352,986,681,429.33/684,048.72
6. Step 6: Final answer
   x = 516,025.64