Finding the Fourth Proportional to 83,171.62, 124,806.84 and 30,618.01

Step by Step Solution

1. Step 1: Write the proportion equation
   83,171.62 : 124,806.84 = 30,618.01 : x
2. Step 2: Convert to fraction form
   83,171.62/124,806.84 = 30,618.01/x
3. Step 3: Cross multiply
   83,171.62x = 124,806.84 × 30,618.01
4. Step 4: Simplify right side
   83,171.62x = 3,821,337,075.19
5. Step 5: Solve for x
   x = 3,821,337,075.19/83,171.62
6. Step 6: Final answer
   x = 45,945.20