Finding the Fourth Proportional to 2,159,510,981.58, 2,980,128,028.59 and 1,169,438,106.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,510,981.58 : 2,980,128,028.59 = 1,169,438,106.06 : x
2. Step 2: Convert to fraction form
   2,159,510,981.58/2,980,128,028.59 = 1,169,438,106.06/x
3. Step 3: Cross multiply
   2,159,510,981.58x = 2,980,128,028.59 × 1,169,438,106.06
4. Step 4: Simplify right side
   2,159,510,981.58x = 3,485,075,277,570,611,200
5. Step 5: Solve for x
   x = 3,485,075,277,570,611,200/2,159,510,981.58
6. Step 6: Final answer
   x = 1,613,826,142.72