Finding the Fourth Proportional to 2,130,403,686, 2,940,047,882.22 and 1,190,606,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,403,686 : 2,940,047,882.22 = 1,190,606,300.28 : x
2. Step 2: Convert to fraction form
   2,130,403,686/2,940,047,882.22 = 1,190,606,300.28/x
3. Step 3: Cross multiply
   2,130,403,686x = 2,940,047,882.22 × 1,190,606,300.28
4. Step 4: Simplify right side
   2,130,403,686x = 3,500,439,531,696,003,072
5. Step 5: Solve for x
   x = 3,500,439,531,696,003,072/2,130,403,686
6. Step 6: Final answer
   x = 1,643,087,436.76