Finding the Fourth Proportional to 1,686,983.01, 2,328,031.41 and 912,613.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,983.01 : 2,328,031.41 = 912,613.61 : x
2. Step 2: Convert to fraction form
   1,686,983.01/2,328,031.41 = 912,613.61/x
3. Step 3: Cross multiply
   1,686,983.01x = 2,328,031.41 × 912,613.61
4. Step 4: Simplify right side
   1,686,983.01x = 2,124,593,137,633.33
5. Step 5: Solve for x
   x = 2,124,593,137,633.33/1,686,983.01
6. Step 6: Final answer
   x = 1,259,403.99