Finding the Fourth Proportional to 2,500,689.60, 3,449,682.72 and 1,581,369.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500,689.60 : 3,449,682.72 = 1,581,369.54 : x
2. Step 2: Convert to fraction form
   2,500,689.60/3,449,682.72 = 1,581,369.54/x
3. Step 3: Cross multiply
   2,500,689.60x = 3,449,682.72 × 1,581,369.54
4. Step 4: Simplify right side
   2,500,689.60x = 5,455,223,176,072.35
5. Step 5: Solve for x
   x = 5,455,223,176,072.35/2,500,689.60
6. Step 6: Final answer
   x = 2,181,487.53