Finding the Fourth Proportional to 2,164,809.59, 2,987,392.52 and 1,197,939.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,809.59 : 2,987,392.52 = 1,197,939.23 : x
2. Step 2: Convert to fraction form
   2,164,809.59/2,987,392.52 = 1,197,939.23/x
3. Step 3: Cross multiply
   2,164,809.59x = 2,987,392.52 × 1,197,939.23
4. Step 4: Simplify right side
   2,164,809.59x = 3,578,714,683,174.45
5. Step 5: Solve for x
   x = 3,578,714,683,174.45/2,164,809.59
6. Step 6: Final answer
   x = 1,653,131.39