Finding the Fourth Proportional to 2,191,241,189.55, 3,286,909,635.89 and 1,318,572,552.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,241,189.55 : 3,286,909,635.89 = 1,318,572,552.27 : x
2. Step 2: Convert to fraction form
   2,191,241,189.55/3,286,909,635.89 = 1,318,572,552.27/x
3. Step 3: Cross multiply
   2,191,241,189.55x = 3,286,909,635.89 × 1,318,572,552.27
4. Step 4: Simplify right side
   2,191,241,189.55x = 4,334,028,827,676,333,568
5. Step 5: Solve for x
   x = 4,334,028,827,676,333,568/2,191,241,189.55
6. Step 6: Final answer
   x = 1,977,887,622.94