Finding the Fourth Proportional to 9,189,807,441.14, 12,681,599,453.69 and 5,120,498,893.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,189,807,441.14 : 12,681,599,453.69 = 5,120,498,893.61 : x
2. Step 2: Convert to fraction form
   9,189,807,441.14/12,681,599,453.69 = 5,120,498,893.61/x
3. Step 3: Cross multiply
   9,189,807,441.14x = 12,681,599,453.69 × 5,120,498,893.61
4. Step 4: Simplify right side
   9,189,807,441.14x = 64,936,115,971,830,923,264
5. Step 5: Solve for x
   x = 64,936,115,971,830,923,264/9,189,807,441.14
6. Step 6: Final answer
   x = 7,066,101,916.47