Finding the Fourth Proportional to 1,224,958.30, 1,837,682.72 and 685,981.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,958.30 : 1,837,682.72 = 685,981.06 : x
2. Step 2: Convert to fraction form
   1,224,958.30/1,837,682.72 = 685,981.06/x
3. Step 3: Cross multiply
   1,224,958.30x = 1,837,682.72 × 685,981.06
4. Step 4: Simplify right side
   1,224,958.30x = 1,260,615,531,020.87
5. Step 5: Solve for x
   x = 1,260,615,531,020.87/1,224,958.30
6. Step 6: Final answer
   x = 1,029,108.93