Finding the Fourth Proportional to 1,991,036,032.72, 2,747,219,535.84 and 1,144,099,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,991,036,032.72 : 2,747,219,535.84 = 1,144,099,708.72 : x
2. Step 2: Convert to fraction form
   1,991,036,032.72/2,747,219,535.84 = 1,144,099,708.72/x
3. Step 3: Cross multiply
   1,991,036,032.72x = 2,747,219,535.84 × 1,144,099,708.72
4. Step 4: Simplify right side
   1,991,036,032.72x = 3,143,093,070,744,437,760
5. Step 5: Solve for x
   x = 3,143,093,070,744,437,760/1,991,036,032.72
6. Step 6: Final answer
   x = 1,578,621,892.87