Finding the Fourth Proportional to 2,189,503,068.56, 3,021,490,185 and 1,185,895,684.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,503,068.56 : 3,021,490,185 = 1,185,895,684.88 : x
2. Step 2: Convert to fraction form
   2,189,503,068.56/3,021,490,185 = 1,185,895,684.88/x
3. Step 3: Cross multiply
   2,189,503,068.56x = 3,021,490,185 × 1,185,895,684.88
4. Step 4: Simplify right side
   2,189,503,068.56x = 3,583,172,172,298,773,504
5. Step 5: Solve for x
   x = 3,583,172,172,298,773,504/2,189,503,068.56
6. Step 6: Final answer
   x = 1,636,523,019.20