Finding the Fourth Proportional to 3,689,520.86, 5,091,319.55 and 2,140,662.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,520.86 : 5,091,319.55 = 2,140,662.55 : x
2. Step 2: Convert to fraction form
   3,689,520.86/5,091,319.55 = 2,140,662.55/x
3. Step 3: Cross multiply
   3,689,520.86x = 5,091,319.55 × 2,140,662.55
4. Step 4: Simplify right side
   3,689,520.86x = 10,898,797,083,391.21
5. Step 5: Solve for x
   x = 10,898,797,083,391.21/3,689,520.86
6. Step 6: Final answer
   x = 2,953,987.12