Finding the Fourth Proportional to 2,081,862.72, 3,120,667.20 and 1,181,402.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081,862.72 : 3,120,667.20 = 1,181,402.64 : x
2. Step 2: Convert to fraction form
   2,081,862.72/3,120,667.20 = 1,181,402.64/x
3. Step 3: Cross multiply
   2,081,862.72x = 3,120,667.20 × 1,181,402.64
4. Step 4: Simplify right side
   2,081,862.72x = 3,686,764,468,641.41
5. Step 5: Solve for x
   x = 3,686,764,468,641.41/2,081,862.72
6. Step 6: Final answer
   x = 1,770,897.01