Finding the Fourth Proportional to 1,171,256.91, 1,757,093.72 and 413,538.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,256.91 : 1,757,093.72 = 413,538.29 : x
2. Step 2: Convert to fraction form
   1,171,256.91/1,757,093.72 = 413,538.29/x
3. Step 3: Cross multiply
   1,171,256.91x = 1,757,093.72 × 413,538.29
4. Step 4: Simplify right side
   1,171,256.91x = 726,625,536,868.62
5. Step 5: Solve for x
   x = 726,625,536,868.62/1,171,256.91
6. Step 6: Final answer
   x = 620,381.01