Finding the Fourth Proportional to 84,586.69, 126,133.59 and 83,827.43

Step by Step Solution

1. Step 1: Write the proportion equation
   84,586.69 : 126,133.59 = 83,827.43 : x
2. Step 2: Convert to fraction form
   84,586.69/126,133.59 = 83,827.43/x
3. Step 3: Cross multiply
   84,586.69x = 126,133.59 × 83,827.43
4. Step 4: Simplify right side
   84,586.69x = 10,573,454,686.37
5. Step 5: Solve for x
   x = 10,573,454,686.37/84,586.69
6. Step 6: Final answer
   x = 125,001.40