Finding the Fourth Proportional to 84,835.49, 126,283.42 and 83,574.32

Step by Step Solution

1. Step 1: Write the proportion equation
   84,835.49 : 126,283.42 = 83,574.32 : x
2. Step 2: Convert to fraction form
   84,835.49/126,283.42 = 83,574.32/x
3. Step 3: Cross multiply
   84,835.49x = 126,283.42 × 83,574.32
4. Step 4: Simplify right side
   84,835.49x = 10,554,050,426.83
5. Step 5: Solve for x
   x = 10,554,050,426.83/84,835.49
6. Step 6: Final answer
   x = 124,406.08