Finding the Fourth Proportional to 1,078,483.69, 1,488,846.81 and 670,716.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,483.69 : 1,488,846.81 = 670,716.89 : x
2. Step 2: Convert to fraction form
   1,078,483.69/1,488,846.81 = 670,716.89/x
3. Step 3: Cross multiply
   1,078,483.69x = 1,488,846.81 × 670,716.89
4. Step 4: Simplify right side
   1,078,483.69x = 998,594,702,089.62
5. Step 5: Solve for x
   x = 998,594,702,089.62/1,078,483.69
6. Step 6: Final answer
   x = 925,924.71