Finding the Fourth Proportional to 3,664,185.72, 5,490,673.58 and 1,958,571.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,185.72 : 5,490,673.58 = 1,958,571.72 : x
2. Step 2: Convert to fraction form
   3,664,185.72/5,490,673.58 = 1,958,571.72/x
3. Step 3: Cross multiply
   3,664,185.72x = 5,490,673.58 × 1,958,571.72
4. Step 4: Simplify right side
   3,664,185.72x = 10,753,877,997,539.16
5. Step 5: Solve for x
   x = 10,753,877,997,539.16/3,664,185.72
6. Step 6: Final answer
   x = 2,934,861.61