Finding the Fourth Proportional to 2,225,085.57, 3,070,678.46 and 1,258,360.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225,085.57 : 3,070,678.46 = 1,258,360.42 : x
2. Step 2: Convert to fraction form
   2,225,085.57/3,070,678.46 = 1,258,360.42/x
3. Step 3: Cross multiply
   2,225,085.57x = 3,070,678.46 × 1,258,360.42
4. Step 4: Simplify right side
   2,225,085.57x = 3,864,020,244,287.25
5. Step 5: Solve for x
   x = 3,864,020,244,287.25/2,225,085.57
6. Step 6: Final answer
   x = 1,736,571.53