Finding the Fourth Proportional to 1,076,579,047.69, 1,614,868,569.71 and 258,691,348.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,579,047.69 : 1,614,868,569.71 = 258,691,348.69 : x
2. Step 2: Convert to fraction form
   1,076,579,047.69/1,614,868,569.71 = 258,691,348.69/x
3. Step 3: Cross multiply
   1,076,579,047.69x = 1,614,868,569.71 × 258,691,348.69
4. Step 4: Simplify right side
   1,076,579,047.69x = 417,752,528,251,023,616
5. Step 5: Solve for x
   x = 417,752,528,251,023,616/1,076,579,047.69
6. Step 6: Final answer
   x = 388,037,022.59