Finding the Fourth Proportional to 83,538.16, 125,315.16 and 30,243.58

Step by Step Solution

1. Step 1: Write the proportion equation
   83,538.16 : 125,315.16 = 30,243.58 : x
2. Step 2: Convert to fraction form
   83,538.16/125,315.16 = 30,243.58/x
3. Step 3: Cross multiply
   83,538.16x = 125,315.16 × 30,243.58
4. Step 4: Simplify right side
   83,538.16x = 3,789,979,066.67
5. Step 5: Solve for x
   x = 3,789,979,066.67/83,538.16
6. Step 6: Final answer
   x = 45,368.24