Finding the Fourth Proportional to 1,997,642.79, 2,754,908.58 and 1,309,064.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,642.79 : 2,754,908.58 = 1,309,064.56 : x
2. Step 2: Convert to fraction form
   1,997,642.79/2,754,908.58 = 1,309,064.56/x
3. Step 3: Cross multiply
   1,997,642.79x = 2,754,908.58 × 1,309,064.56
4. Step 4: Simplify right side
   1,997,642.79x = 3,606,353,186,139.65
5. Step 5: Solve for x
   x = 3,606,353,186,139.65/1,997,642.79
6. Step 6: Final answer
   x = 1,805,304.33