Finding the Fourth Proportional to 1,185,768.72, 1,778,702.29 and 344,320.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,768.72 : 1,778,702.29 = 344,320.47 : x
2. Step 2: Convert to fraction form
   1,185,768.72/1,778,702.29 = 344,320.47/x
3. Step 3: Cross multiply
   1,185,768.72x = 1,778,702.29 × 344,320.47
4. Step 4: Simplify right side
   1,185,768.72x = 612,443,608,482.88
5. Step 5: Solve for x
   x = 612,443,608,482.88/1,185,768.72
6. Step 6: Final answer
   x = 516,494.99