Finding the Fourth Proportional to 2,215,191.17, 3,057,241.91 and 1,297,770.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,191.17 : 3,057,241.91 = 1,297,770.32 : x
2. Step 2: Convert to fraction form
   2,215,191.17/3,057,241.91 = 1,297,770.32/x
3. Step 3: Cross multiply
   2,215,191.17x = 3,057,241.91 × 1,297,770.32
4. Step 4: Simplify right side
   2,215,191.17x = 3,967,597,790,083.05
5. Step 5: Solve for x
   x = 3,967,597,790,083.05/2,215,191.17
6. Step 6: Final answer
   x = 1,791,085.96