Finding the Fourth Proportional to 2,147,106.28, 2,963,012.82 and 1,229,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,106.28 : 2,963,012.82 = 1,229,349.50 : x
2. Step 2: Convert to fraction form
   2,147,106.28/2,963,012.82 = 1,229,349.50/x
3. Step 3: Cross multiply
   2,147,106.28x = 2,963,012.82 × 1,229,349.50
4. Step 4: Simplify right side
   2,147,106.28x = 3,642,578,328,760.59
5. Step 5: Solve for x
   x = 3,642,578,328,760.59/2,147,106.28
6. Step 6: Final answer
   x = 1,696,505.83