Finding the Fourth Proportional to 1,423,611.36, 1,964,583.83 and 779,031.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,611.36 : 1,964,583.83 = 779,031.69 : x
2. Step 2: Convert to fraction form
   1,423,611.36/1,964,583.83 = 779,031.69/x
3. Step 3: Cross multiply
   1,423,611.36x = 1,964,583.83 × 779,031.69
4. Step 4: Simplify right side
   1,423,611.36x = 1,530,473,061,231.57
5. Step 5: Solve for x
   x = 1,530,473,061,231.57/1,423,611.36
6. Step 6: Final answer
   x = 1,075,063.82