Finding the Fourth Proportional to 83,145.01, 124,713.72 and 30,550.63

Step by Step Solution

1. Step 1: Write the proportion equation
   83,145.01 : 124,713.72 = 30,550.63 : x
2. Step 2: Convert to fraction form
   83,145.01/124,713.72 = 30,550.63/x
3. Step 3: Cross multiply
   83,145.01x = 124,713.72 × 30,550.63
4. Step 4: Simplify right side
   83,145.01x = 3,810,082,715.64
5. Step 5: Solve for x
   x = 3,810,082,715.64/83,145.01
6. Step 6: Final answer
   x = 45,824.55