Finding the Fourth Proportional to 82,429.11, 113,749.72 and 45,636.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,429.11 : 113,749.72 = 45,636.96 : x
2. Step 2: Convert to fraction form
   82,429.11/113,749.72 = 45,636.96/x
3. Step 3: Cross multiply
   82,429.11x = 113,749.72 × 45,636.96
4. Step 4: Simplify right side
   82,429.11x = 5,191,191,421.65
5. Step 5: Solve for x
   x = 5,191,191,421.65/82,429.11
6. Step 6: Final answer
   x = 62,977.65