Finding the Fourth Proportional to 1,907,196.47, 2,631,932.19 and 1,047,812.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907,196.47 : 2,631,932.19 = 1,047,812.09 : x
2. Step 2: Convert to fraction form
   1,907,196.47/2,631,932.19 = 1,047,812.09/x
3. Step 3: Cross multiply
   1,907,196.47x = 2,631,932.19 × 1,047,812.09
4. Step 4: Simplify right side
   1,907,196.47x = 2,757,770,355,582.52
5. Step 5: Solve for x
   x = 2,757,770,355,582.52/1,907,196.47
6. Step 6: Final answer
   x = 1,445,981.26