Finding the Fourth Proportional to 1,986,796.10, 2,741,837.16 and 1,407,056.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,796.10 : 2,741,837.16 = 1,407,056.42 : x
2. Step 2: Convert to fraction form
   1,986,796.10/2,741,837.16 = 1,407,056.42/x
3. Step 3: Cross multiply
   1,986,796.10x = 2,741,837.16 × 1,407,056.42
4. Step 4: Simplify right side
   1,986,796.10x = 3,857,919,578,572.57
5. Step 5: Solve for x
   x = 3,857,919,578,572.57/1,986,796.10
6. Step 6: Final answer
   x = 1,941,779.32