Finding the Fourth Proportional to 82,938.84, 114,461.10 and 47,128.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,938.84 : 114,461.10 = 47,128.92 : x
2. Step 2: Convert to fraction form
   82,938.84/114,461.10 = 47,128.92/x
3. Step 3: Cross multiply
   82,938.84x = 114,461.10 × 47,128.92
4. Step 4: Simplify right side
   82,938.84x = 5,394,428,025.01
5. Step 5: Solve for x
   x = 5,394,428,025.01/82,938.84
6. Step 6: Final answer
   x = 65,041.04