Finding the Fourth Proportional to 2,488,185.14, 3,732,870 and 805,288.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,185.14 : 3,732,870 = 805,288.64 : x
2. Step 2: Convert to fraction form
   2,488,185.14/3,732,870 = 805,288.64/x
3. Step 3: Cross multiply
   2,488,185.14x = 3,732,870 × 805,288.64
4. Step 4: Simplify right side
   2,488,185.14x = 3,006,037,805,596.80
5. Step 5: Solve for x
   x = 3,006,037,805,596.80/2,488,185.14
6. Step 6: Final answer
   x = 1,208,124.65