Finding the Fourth Proportional to 2,147,609.28, 2,963,706.72 and 1,180,838.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,609.28 : 2,963,706.72 = 1,180,838.40 : x
2. Step 2: Convert to fraction form
   2,147,609.28/2,963,706.72 = 1,180,838.40/x
3. Step 3: Cross multiply
   2,147,609.28x = 2,963,706.72 × 1,180,838.40
4. Step 4: Simplify right side
   2,147,609.28x = 3,499,658,701,314.05
5. Step 5: Solve for x
   x = 3,499,658,701,314.05/2,147,609.28
6. Step 6: Final answer
   x = 1,629,560.24