Finding the Fourth Proportional to 1,491,196.60, 2,057,851.06 and 812,133.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491,196.60 : 2,057,851.06 = 812,133.10 : x
2. Step 2: Convert to fraction form
   1,491,196.60/2,057,851.06 = 812,133.10/x
3. Step 3: Cross multiply
   1,491,196.60x = 2,057,851.06 × 812,133.10
4. Step 4: Simplify right side
   1,491,196.60x = 1,671,248,960,696.09
5. Step 5: Solve for x
   x = 1,671,248,960,696.09/1,491,196.60
6. Step 6: Final answer
   x = 1,120,743.54