Finding the Fourth Proportional to 83,144.48, 124,641.99 and 30,541.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,144.48 : 124,641.99 = 30,541.05 : x
2. Step 2: Convert to fraction form
   83,144.48/124,641.99 = 30,541.05/x
3. Step 3: Cross multiply
   83,144.48x = 124,641.99 × 30,541.05
4. Step 4: Simplify right side
   83,144.48x = 3,806,697,248.69
5. Step 5: Solve for x
   x = 3,806,697,248.69/83,144.48
6. Step 6: Final answer
   x = 45,784.13