Finding the Fourth Proportional to 1,424,456.13, 1,965,748.56 and 779,876.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,456.13 : 1,965,748.56 = 779,876.16 : x
2. Step 2: Convert to fraction form
   1,424,456.13/1,965,748.56 = 779,876.16/x
3. Step 3: Cross multiply
   1,424,456.13x = 1,965,748.56 × 779,876.16
4. Step 4: Simplify right side
   1,424,456.13x = 1,533,040,438,498.33
5. Step 5: Solve for x
   x = 1,533,040,438,498.33/1,424,456.13
6. Step 6: Final answer
   x = 1,076,228.61