Finding the Fourth Proportional to 2,869,665.42, 3,960,318.04 and 1,580,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869,665.42 : 3,960,318.04 = 1,580,505.50 : x
2. Step 2: Convert to fraction form
   2,869,665.42/3,960,318.04 = 1,580,505.50/x
3. Step 3: Cross multiply
   2,869,665.42x = 3,960,318.04 × 1,580,505.50
4. Step 4: Simplify right side
   2,869,665.42x = 6,259,304,443,969.22
5. Step 5: Solve for x
   x = 6,259,304,443,969.22/2,869,665.42
6. Step 6: Final answer
   x = 2,181,196.60