Finding the Fourth Proportional to 82,113.72, 113,314.50 and 45,816.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,113.72 : 113,314.50 = 45,816.12 : x
2. Step 2: Convert to fraction form
   82,113.72/113,314.50 = 45,816.12/x
3. Step 3: Cross multiply
   82,113.72x = 113,314.50 × 45,816.12
4. Step 4: Simplify right side
   82,113.72x = 5,191,630,729.74
5. Step 5: Solve for x
   x = 5,191,630,729.74/82,113.72
6. Step 6: Final answer
   x = 63,224.89