Finding the Fourth Proportional to 1,744,560.72, 2,615,769.43 and 678,359.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744,560.72 : 2,615,769.43 = 678,359.98 : x
2. Step 2: Convert to fraction form
   1,744,560.72/2,615,769.43 = 678,359.98/x
3. Step 3: Cross multiply
   1,744,560.72x = 2,615,769.43 × 678,359.98
4. Step 4: Simplify right side
   1,744,560.72x = 1,774,433,298,219.41
5. Step 5: Solve for x
   x = 1,774,433,298,219.41/1,744,560.72
6. Step 6: Final answer
   x = 1,017,123.27