Finding the Fourth Proportional to 282,355.16, 423,501.75 and 82,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,355.16 : 423,501.75 = 82,677.50 : x
2. Step 2: Convert to fraction form
   282,355.16/423,501.75 = 82,677.50/x
3. Step 3: Cross multiply
   282,355.16x = 423,501.75 × 82,677.50
4. Step 4: Simplify right side
   282,355.16x = 35,014,063,818.12
5. Step 5: Solve for x
   x = 35,014,063,818.12/282,355.16
6. Step 6: Final answer
   x = 124,007.17