Finding the Fourth Proportional to 3,870,775.56, 5,341,367.69 and 2,151,791.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,775.56 : 5,341,367.69 = 2,151,791.40 : x
2. Step 2: Convert to fraction form
   3,870,775.56/5,341,367.69 = 2,151,791.40/x
3. Step 3: Cross multiply
   3,870,775.56x = 5,341,367.69 × 2,151,791.40
4. Step 4: Simplify right side
   3,870,775.56x = 11,493,509,048,820.91
5. Step 5: Solve for x
   x = 11,493,509,048,820.91/3,870,775.56
6. Step 6: Final answer
   x = 2,969,303.92