Finding the Fourth Proportional to 1,424,112.51, 1,965,275.88 and 779,536.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,112.51 : 1,965,275.88 = 779,536.38 : x
2. Step 2: Convert to fraction form
   1,424,112.51/1,965,275.88 = 779,536.38/x
3. Step 3: Cross multiply
   1,424,112.51x = 1,965,275.88 × 779,536.38
4. Step 4: Simplify right side
   1,424,112.51x = 1,532,004,045,196.51
5. Step 5: Solve for x
   x = 1,532,004,045,196.51/1,424,112.51
6. Step 6: Final answer
   x = 1,075,760.54