Finding the Fourth Proportional to 1,224,796.98, 1,690,256.52 and 673,484.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,796.98 : 1,690,256.52 = 673,484.16 : x
2. Step 2: Convert to fraction form
   1,224,796.98/1,690,256.52 = 673,484.16/x
3. Step 3: Cross multiply
   1,224,796.98x = 1,690,256.52 × 673,484.16
4. Step 4: Simplify right side
   1,224,796.98x = 1,138,360,992,556.72
5. Step 5: Solve for x
   x = 1,138,360,992,556.72/1,224,796.98
6. Step 6: Final answer
   x = 929,428.31