Finding the Fourth Proportional to 83,428.81, 125,065.46 and 41,827.21

Step by Step Solution

1. Step 1: Write the proportion equation
   83,428.81 : 125,065.46 = 41,827.21 : x
2. Step 2: Convert to fraction form
   83,428.81/125,065.46 = 41,827.21/x
3. Step 3: Cross multiply
   83,428.81x = 125,065.46 × 41,827.21
4. Step 4: Simplify right side
   83,428.81x = 5,231,139,050.03
5. Step 5: Solve for x
   x = 5,231,139,050.03/83,428.81
6. Step 6: Final answer
   x = 62,701.83