Finding the Fourth Proportional to 2,166,065,507.28, 2,991,974,354.84 and 1,791,236,134.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,065,507.28 : 2,991,974,354.84 = 1,791,236,134.56 : x
2. Step 2: Convert to fraction form
   2,166,065,507.28/2,991,974,354.84 = 1,791,236,134.56/x
3. Step 3: Cross multiply
   2,166,065,507.28x = 2,991,974,354.84 × 1,791,236,134.56
4. Step 4: Simplify right side
   2,166,065,507.28x = 5,359,332,578,066,251,776
5. Step 5: Solve for x
   x = 5,359,332,578,066,251,776/2,166,065,507.28
6. Step 6: Final answer
   x = 2,474,224,606.81