Finding the Fourth Proportional to 1,426,311.69, 1,968,019.25 and 845,278.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,311.69 : 1,968,019.25 = 845,278.71 : x
2. Step 2: Convert to fraction form
   1,426,311.69/1,968,019.25 = 845,278.71/x
3. Step 3: Cross multiply
   1,426,311.69x = 1,968,019.25 × 845,278.71
4. Step 4: Simplify right side
   1,426,311.69x = 1,663,524,768,668.77
5. Step 5: Solve for x
   x = 1,663,524,768,668.77/1,426,311.69
6. Step 6: Final answer
   x = 1,166,312.23