Finding the Fourth Proportional to 2,662,409.14, 3,674,124.42 and 1,438,715.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662,409.14 : 3,674,124.42 = 1,438,715.21 : x
2. Step 2: Convert to fraction form
   2,662,409.14/3,674,124.42 = 1,438,715.21/x
3. Step 3: Cross multiply
   2,662,409.14x = 3,674,124.42 × 1,438,715.21
4. Step 4: Simplify right side
   2,662,409.14x = 5,286,018,686,486.43
5. Step 5: Solve for x
   x = 5,286,018,686,486.43/2,662,409.14
6. Step 6: Final answer
   x = 1,985,426.89