Finding the Fourth Proportional to 1,242,501.59, 1,863,544.76 and 344,034.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,501.59 : 1,863,544.76 = 344,034.15 : x
2. Step 2: Convert to fraction form
   1,242,501.59/1,863,544.76 = 344,034.15/x
3. Step 3: Cross multiply
   1,242,501.59x = 1,863,544.76 × 344,034.15
4. Step 4: Simplify right side
   1,242,501.59x = 641,123,030,075.22
5. Step 5: Solve for x
   x = 641,123,030,075.22/1,242,501.59
6. Step 6: Final answer
   x = 515,993.73