Finding the Fourth Proportional to 83,245.32, 124,880.40 and 30,650.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,245.32 : 124,880.40 = 30,650.82 : x
2. Step 2: Convert to fraction form
   83,245.32/124,880.40 = 30,650.82/x
3. Step 3: Cross multiply
   83,245.32x = 124,880.40 × 30,650.82
4. Step 4: Simplify right side
   83,245.32x = 3,827,686,661.93
5. Step 5: Solve for x
   x = 3,827,686,661.93/83,245.32
6. Step 6: Final answer
   x = 45,980.80