Finding the Fourth Proportional to 82,046,140.21, 113,258,536.01 and 51,121,588.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,046,140.21 : 113,258,536.01 = 51,121,588.42 : x
2. Step 2: Convert to fraction form
   82,046,140.21/113,258,536.01 = 51,121,588.42/x
3. Step 3: Cross multiply
   82,046,140.21x = 113,258,536.01 × 51,121,588.42
4. Step 4: Simplify right side
   82,046,140.21x = 5,789,956,262,954,969
5. Step 5: Solve for x
   x = 5,789,956,262,954,969/82,046,140.21
6. Step 6: Final answer
   x = 70,569,514.28