Finding the Fourth Proportional to 4,404,768.07, 6,607,139.31 and 1,209,897.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,404,768.07 : 6,607,139.31 = 1,209,897.31 : x
2. Step 2: Convert to fraction form
   4,404,768.07/6,607,139.31 = 1,209,897.31/x
3. Step 3: Cross multiply
   4,404,768.07x = 6,607,139.31 × 1,209,897.31
4. Step 4: Simplify right side
   4,404,768.07x = 7,993,960,077,964.26
5. Step 5: Solve for x
   x = 7,993,960,077,964.26/4,404,768.07
6. Step 6: Final answer
   x = 1,814,842.45