Finding the Fourth Proportional to 2,774,740, 4,162,111.62 and 780,196

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774,740 : 4,162,111.62 = 780,196 : x
2. Step 2: Convert to fraction form
   2,774,740/4,162,111.62 = 780,196/x
3. Step 3: Cross multiply
   2,774,740x = 4,162,111.62 × 780,196
4. Step 4: Simplify right side
   2,774,740x = 3,247,262,837,477.52
5. Step 5: Solve for x
   x = 3,247,262,837,477.52/2,774,740
6. Step 6: Final answer
   x = 1,170,294.46