Finding the Fourth Proportional to 83,041.83, 124,488.70 and 30,439.01

Step by Step Solution

1. Step 1: Write the proportion equation
   83,041.83 : 124,488.70 = 30,439.01 : x
2. Step 2: Convert to fraction form
   83,041.83/124,488.70 = 30,439.01/x
3. Step 3: Cross multiply
   83,041.83x = 124,488.70 × 30,439.01
4. Step 4: Simplify right side
   83,041.83x = 3,789,313,019.31
5. Step 5: Solve for x
   x = 3,789,313,019.31/83,041.83
6. Step 6: Final answer
   x = 45,631.38