Finding the Fourth Proportional to 2,290,374.72, 3,158,965.44 and 1,555,895.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,374.72 : 3,158,965.44 = 1,555,895.52 : x
2. Step 2: Convert to fraction form
   2,290,374.72/3,158,965.44 = 1,555,895.52/x
3. Step 3: Cross multiply
   2,290,374.72x = 3,158,965.44 × 1,555,895.52
4. Step 4: Simplify right side
   2,290,374.72x = 4,915,020,175,930.83
5. Step 5: Solve for x
   x = 4,915,020,175,930.83/2,290,374.72
6. Step 6: Final answer
   x = 2,145,945.87