Finding the Fourth Proportional to 1,340,300.12, 2,010,422.52 and 441,795.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,300.12 : 2,010,422.52 = 441,795.80 : x
2. Step 2: Convert to fraction form
   1,340,300.12/2,010,422.52 = 441,795.80/x
3. Step 3: Cross multiply
   1,340,300.12x = 2,010,422.52 × 441,795.80
4. Step 4: Simplify right side
   1,340,300.12x = 888,196,225,561.42
5. Step 5: Solve for x
   x = 888,196,225,561.42/1,340,300.12
6. Step 6: Final answer
   x = 662,684.58