Finding the Fourth Proportional to 82,911,564.66, 124,383,287.79 and 31,789,596.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,911,564.66 : 124,383,287.79 = 31,789,596.42 : x
2. Step 2: Convert to fraction form
   82,911,564.66/124,383,287.79 = 31,789,596.42/x
3. Step 3: Cross multiply
   82,911,564.66x = 124,383,287.79 × 31,789,596.42
4. Step 4: Simplify right side
   82,911,564.66x = 3,954,094,520,236,814
5. Step 5: Solve for x
   x = 3,954,094,520,236,814/82,911,564.66
6. Step 6: Final answer
   x = 47,690,506.58