Finding the Fourth Proportional to 1,535,892.69, 2,303,576.55 and 413,699.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535,892.69 : 2,303,576.55 = 413,699.25 : x
2. Step 2: Convert to fraction form
   1,535,892.69/2,303,576.55 = 413,699.25/x
3. Step 3: Cross multiply
   1,535,892.69x = 2,303,576.55 × 413,699.25
4. Step 4: Simplify right side
   1,535,892.69x = 952,987,891,052.59
5. Step 5: Solve for x
   x = 952,987,891,052.59/1,535,892.69
6. Step 6: Final answer
   x = 620,478.17