Finding the Fourth Proportional to 1,047,706.72, 1,578,560.96 and 946,622.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,706.72 : 1,578,560.96 = 946,622.18 : x
2. Step 2: Convert to fraction form
   1,047,706.72/1,578,560.96 = 946,622.18/x
3. Step 3: Cross multiply
   1,047,706.72x = 1,578,560.96 × 946,622.18
4. Step 4: Simplify right side
   1,047,706.72x = 1,494,300,823,531.05
5. Step 5: Solve for x
   x = 1,494,300,823,531.05/1,047,706.72
6. Step 6: Final answer
   x = 1,426,258.70