Finding the Fourth Proportional to 1,931,685.18, 2,665,735.83 and 1,206,953.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,685.18 : 2,665,735.83 = 1,206,953.16 : x
2. Step 2: Convert to fraction form
   1,931,685.18/2,665,735.83 = 1,206,953.16/x
3. Step 3: Cross multiply
   1,931,685.18x = 2,665,735.83 × 1,206,953.16
4. Step 4: Simplify right side
   1,931,685.18x = 3,217,418,283,743.72
5. Step 5: Solve for x
   x = 3,217,418,283,743.72/1,931,685.18
6. Step 6: Final answer
   x = 1,665,601.78