Finding the Fourth Proportional to 1,648,705.89, 2,473,411.49 and 511,443.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,705.89 : 2,473,411.49 = 511,443.42 : x
2. Step 2: Convert to fraction form
   1,648,705.89/2,473,411.49 = 511,443.42/x
3. Step 3: Cross multiply
   1,648,705.89x = 2,473,411.49 × 511,443.42
4. Step 4: Simplify right side
   1,648,705.89x = 1,265,010,024,475.17
5. Step 5: Solve for x
   x = 1,265,010,024,475.17/1,648,705.89
6. Step 6: Final answer
   x = 767,274.52