Finding the Fourth Proportional to 1,626,242.31, 2,439,368.82 and 411,818.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626,242.31 : 2,439,368.82 = 411,818.27 : x
2. Step 2: Convert to fraction form
   1,626,242.31/2,439,368.82 = 411,818.27/x
3. Step 3: Cross multiply
   1,626,242.31x = 2,439,368.82 × 411,818.27
4. Step 4: Simplify right side
   1,626,242.31x = 1,004,576,635,147.50
5. Step 5: Solve for x
   x = 1,004,576,635,147.50/1,626,242.31
6. Step 6: Final answer
   x = 617,728.75