Finding the Fourth Proportional to 1,556,499.96, 2,147,152.92 and 1,266,435.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,499.96 : 2,147,152.92 = 1,266,435.80 : x
2. Step 2: Convert to fraction form
   1,556,499.96/2,147,152.92 = 1,266,435.80/x
3. Step 3: Cross multiply
   1,556,499.96x = 2,147,152.92 × 1,266,435.80
4. Step 4: Simplify right side
   1,556,499.96x = 2,719,231,325,962.54
5. Step 5: Solve for x
   x = 2,719,231,325,962.54/1,556,499.96
6. Step 6: Final answer
   x = 1,747,016.64