Finding the Fourth Proportional to 82,830.10, 124,245.15 and 27,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,830.10 : 124,245.15 = 27,426.10 : x
2. Step 2: Convert to fraction form
   82,830.10/124,245.15 = 27,426.10/x
3. Step 3: Cross multiply
   82,830.10x = 124,245.15 × 27,426.10
4. Step 4: Simplify right side
   82,830.10x = 3,407,559,908.42
5. Step 5: Solve for x
   x = 3,407,559,908.42/82,830.10
6. Step 6: Final answer
   x = 41,139.15