Finding the Fourth Proportional to 1,686,072.69, 2,528,096.12 and 774,113.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,072.69 : 2,528,096.12 = 774,113.93 : x
2. Step 2: Convert to fraction form
   1,686,072.69/2,528,096.12 = 774,113.93/x
3. Step 3: Cross multiply
   1,686,072.69x = 2,528,096.12 × 774,113.93
4. Step 4: Simplify right side
   1,686,072.69x = 1,957,034,422,870.95
5. Step 5: Solve for x
   x = 1,957,034,422,870.95/1,686,072.69
6. Step 6: Final answer
   x = 1,160,705.84