Finding the Fourth Proportional to 1,665,238.43, 2,298,084.68 and 1,020,534.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,238.43 : 2,298,084.68 = 1,020,534.05 : x
2. Step 2: Convert to fraction form
   1,665,238.43/2,298,084.68 = 1,020,534.05/x
3. Step 3: Cross multiply
   1,665,238.43x = 2,298,084.68 × 1,020,534.05
4. Step 4: Simplify right side
   1,665,238.43x = 2,345,273,665,723.35
5. Step 5: Solve for x
   x = 2,345,273,665,723.35/1,665,238.43
6. Step 6: Final answer
   x = 1,408,371.09