Finding the Fourth Proportional to 2,528,727.76, 3,489,642.78 and 1,382,808.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,727.76 : 3,489,642.78 = 1,382,808.10 : x
2. Step 2: Convert to fraction form
   2,528,727.76/3,489,642.78 = 1,382,808.10/x
3. Step 3: Cross multiply
   2,528,727.76x = 3,489,642.78 × 1,382,808.10
4. Step 4: Simplify right side
   2,528,727.76x = 4,825,506,302,290.52
5. Step 5: Solve for x
   x = 4,825,506,302,290.52/2,528,727.76
6. Step 6: Final answer
   x = 1,908,274.34