Finding the Fourth Proportional to 1,423,748.43, 1,964,746.56 and 779,155.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,748.43 : 1,964,746.56 = 779,155.69 : x
2. Step 2: Convert to fraction form
   1,423,748.43/1,964,746.56 = 779,155.69/x
3. Step 3: Cross multiply
   1,423,748.43x = 1,964,746.56 × 779,155.69
4. Step 4: Simplify right side
   1,423,748.43x = 1,530,843,461,631.93
5. Step 5: Solve for x
   x = 1,530,843,461,631.93/1,423,748.43
6. Step 6: Final answer
   x = 1,075,220.47