Finding the Fourth Proportional to 2,667,021.21, 3,680,460.59 and 1,443,299.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,021.21 : 3,680,460.59 = 1,443,299.67 : x
2. Step 2: Convert to fraction form
   2,667,021.21/3,680,460.59 = 1,443,299.67/x
3. Step 3: Cross multiply
   2,667,021.21x = 3,680,460.59 × 1,443,299.67
4. Step 4: Simplify right side
   2,667,021.21x = 5,312,007,547,778.51
5. Step 5: Solve for x
   x = 5,312,007,547,778.51/2,667,021.21
6. Step 6: Final answer
   x = 1,991,738.02