Finding the Fourth Proportional to 2,195,931.51, 3,029,694.71 and 1,228,908.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,195,931.51 : 3,029,694.71 = 1,228,908.15 : x
2. Step 2: Convert to fraction form
   2,195,931.51/3,029,694.71 = 1,228,908.15/x
3. Step 3: Cross multiply
   2,195,931.51x = 3,029,694.71 × 1,228,908.15
4. Step 4: Simplify right side
   2,195,931.51x = 3,723,216,514,986.35
5. Step 5: Solve for x
   x = 3,723,216,514,986.35/2,195,931.51
6. Step 6: Final answer
   x = 1,695,506.67