Finding the Fourth Proportional to 1,078,494.61, 1,488,861.93 and 670,727.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,494.61 : 1,488,861.93 = 670,727.83 : x
2. Step 2: Convert to fraction form
   1,078,494.61/1,488,861.93 = 670,727.83/x
3. Step 3: Cross multiply
   1,078,494.61x = 1,488,861.93 × 670,727.83
4. Step 4: Simplify right side
   1,078,494.61x = 998,621,131,478.51
5. Step 5: Solve for x
   x = 998,621,131,478.51/1,078,494.61
6. Step 6: Final answer
   x = 925,939.84