Finding the Fourth Proportional to 1,243,068.89, 1,863,853.37 and 474,616.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,068.89 : 1,863,853.37 = 474,616.77 : x
2. Step 2: Convert to fraction form
   1,243,068.89/1,863,853.37 = 474,616.77/x
3. Step 3: Cross multiply
   1,243,068.89x = 1,863,853.37 × 474,616.77
4. Step 4: Simplify right side
   1,243,068.89x = 884,616,069,124.47
5. Step 5: Solve for x
   x = 884,616,069,124.47/1,243,068.89
6. Step 6: Final answer
   x = 711,638.82