Finding the Fourth Proportional to 1,012,715,086.96, 1,519,064,096.82 and 791,572,438.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,715,086.96 : 1,519,064,096.82 = 791,572,438.54 : x
2. Step 2: Convert to fraction form
   1,012,715,086.96/1,519,064,096.82 = 791,572,438.54/x
3. Step 3: Cross multiply
   1,012,715,086.96x = 1,519,064,096.82 × 791,572,438.54
4. Step 4: Simplify right side
   1,012,715,086.96x = 1,202,449,271,418,370,048
5. Step 5: Solve for x
   x = 1,202,449,271,418,370,048/1,012,715,086.96
6. Step 6: Final answer
   x = 1,187,351,987.64