Finding the Fourth Proportional to 82,901.30, 124,400.55 and 30,316.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,901.30 : 124,400.55 = 30,316.10 : x
2. Step 2: Convert to fraction form
   82,901.30/124,400.55 = 30,316.10/x
3. Step 3: Cross multiply
   82,901.30x = 124,400.55 × 30,316.10
4. Step 4: Simplify right side
   82,901.30x = 3,771,339,513.86
5. Step 5: Solve for x
   x = 3,771,339,513.86/82,901.30
6. Step 6: Final answer
   x = 45,491.92