Finding the Fourth Proportional to 1,163,058,640, 1,744,603,155.88 and 386,704,300.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,163,058,640 : 1,744,603,155.88 = 386,704,300.72 : x
2. Step 2: Convert to fraction form
   1,163,058,640/1,744,603,155.88 = 386,704,300.72/x
3. Step 3: Cross multiply
   1,163,058,640x = 1,744,603,155.88 × 386,704,300.72
4. Step 4: Simplify right side
   1,163,058,640x = 674,645,543,428,480,640
5. Step 5: Solve for x
   x = 674,645,543,428,480,640/1,163,058,640
6. Step 6: Final answer
   x = 580,061,503.54