Finding the Fourth Proportional to 1,243,404.54, 1,865,106.71 and 344,846.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,404.54 : 1,865,106.71 = 344,846.27 : x
2. Step 2: Convert to fraction form
   1,243,404.54/1,865,106.71 = 344,846.27/x
3. Step 3: Cross multiply
   1,243,404.54x = 1,865,106.71 × 344,846.27
4. Step 4: Simplify right side
   1,243,404.54x = 643,175,095,034.01
5. Step 5: Solve for x
   x = 643,175,095,034.01/1,243,404.54
6. Step 6: Final answer
   x = 517,269.38