Finding the Fourth Proportional to 31,074,366,696.21, 46,591,509,336.17 and 12,189,562,521.39

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074,366,696.21 : 46,591,509,336.17 = 12,189,562,521.39 : x
2. Step 2: Convert to fraction form
   31,074,366,696.21/46,591,509,336.17 = 12,189,562,521.39/x
3. Step 3: Cross multiply
   31,074,366,696.21x = 46,591,509,336.17 × 12,189,562,521.39
4. Step 4: Simplify right side
   31,074,366,696.21x = 567,930,116,019,109,167,104
5. Step 5: Solve for x
   x = 567,930,116,019,109,167,104/31,074,366,696.21
6. Step 6: Final answer
   x = 18,276,482,400.15