Finding the Fourth Proportional to 1,310,651.99, 1,807,768.04 and 874,849.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,651.99 : 1,807,768.04 = 874,849.61 : x
2. Step 2: Convert to fraction form
   1,310,651.99/1,807,768.04 = 874,849.61/x
3. Step 3: Cross multiply
   1,310,651.99x = 1,807,768.04 × 874,849.61
4. Step 4: Simplify right side
   1,310,651.99x = 1,581,525,172,460.03
5. Step 5: Solve for x
   x = 1,581,525,172,460.03/1,310,651.99
6. Step 6: Final answer
   x = 1,206,670.56