Finding the Fourth Proportional to 82,086,633.12, 113,252,047.92 and 47,278,626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,086,633.12 : 113,252,047.92 = 47,278,626.72 : x
2. Step 2: Convert to fraction form
   82,086,633.12/113,252,047.92 = 47,278,626.72/x
3. Step 3: Cross multiply
   82,086,633.12x = 113,252,047.92 × 47,278,626.72
4. Step 4: Simplify right side
   82,086,633.12x = 5,354,401,298,885,232
5. Step 5: Solve for x
   x = 5,354,401,298,885,232/82,086,633.12
6. Step 6: Final answer
   x = 65,228,662.64