Finding the Fourth Proportional to 1,364,061,406.88, 2,046,078,469.94 and 431,384,414.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364,061,406.88 : 2,046,078,469.94 = 431,384,414.00 : x
2. Step 2: Convert to fraction form
   1,364,061,406.88/2,046,078,469.94 = 431,384,414.00/x
3. Step 3: Cross multiply
   1,364,061,406.88x = 2,046,078,469.94 × 431,384,414.00
4. Step 4: Simplify right side
   1,364,061,406.88x = 882,646,361,740,696,192
5. Step 5: Solve for x
   x = 882,646,361,740,696,192/1,364,061,406.88
6. Step 6: Final answer
   x = 647,072,307.22