Finding the Fourth Proportional to 1,665,214.71, 2,298,052.02 and 1,020,510.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,214.71 : 2,298,052.02 = 1,020,510.40 : x
2. Step 2: Convert to fraction form
   1,665,214.71/2,298,052.02 = 1,020,510.40/x
3. Step 3: Cross multiply
   1,665,214.71x = 2,298,052.02 × 1,020,510.40
4. Step 4: Simplify right side
   1,665,214.71x = 2,345,185,986,151.01
5. Step 5: Solve for x
   x = 2,345,185,986,151.01/1,665,214.71
6. Step 6: Final answer
   x = 1,408,338.50