Finding the Fourth Proportional to 2,443,145.85, 3,371,561.60 and 1,355,488.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443,145.85 : 3,371,561.60 = 1,355,488.74 : x
2. Step 2: Convert to fraction form
   2,443,145.85/3,371,561.60 = 1,355,488.74/x
3. Step 3: Cross multiply
   2,443,145.85x = 3,371,561.60 × 1,355,488.74
4. Step 4: Simplify right side
   2,443,145.85x = 4,570,113,778,238.94
5. Step 5: Solve for x
   x = 4,570,113,778,238.94/2,443,145.85
6. Step 6: Final answer
   x = 1,870,585.74