Finding the Fourth Proportional to 1,097,059,524.69, 1,645,584,849.68 and 397,387,915.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,059,524.69 : 1,645,584,849.68 = 397,387,915.49 : x
2. Step 2: Convert to fraction form
   1,097,059,524.69/1,645,584,849.68 = 397,387,915.49/x
3. Step 3: Cross multiply
   1,097,059,524.69x = 1,645,584,849.68 × 397,387,915.49
4. Step 4: Simplify right side
   1,097,059,524.69x = 653,935,533,168,032,256
5. Step 5: Solve for x
   x = 653,935,533,168,032,256/1,097,059,524.69
6. Step 6: Final answer
   x = 596,080,265.89