Finding the Fourth Proportional to 65,428,964,871.82, 97,942,154,147.50 and 42,690,357,240.67

Step by Step Solution

1. Step 1: Write the proportion equation
   65,428,964,871.82 : 97,942,154,147.50 = 42,690,357,240.67 : x
2. Step 2: Convert to fraction form
   65,428,964,871.82/97,942,154,147.50 = 42,690,357,240.67/x
3. Step 3: Cross multiply
   65,428,964,871.82x = 97,942,154,147.50 × 42,690,357,240.67
4. Step 4: Simplify right side
   65,428,964,871.82x = 4,181,185,549,476,938,383,360
5. Step 5: Solve for x
   x = 4,181,185,549,476,938,383,360/65,428,964,871.82
6. Step 6: Final answer
   x = 63,904,198,357.23