Finding the Fourth Proportional to 84,510.25, 126,889.98 and 47,143.33

Step by Step Solution

1. Step 1: Write the proportion equation
   84,510.25 : 126,889.98 = 47,143.33 : x
2. Step 2: Convert to fraction form
   84,510.25/126,889.98 = 47,143.33/x
3. Step 3: Cross multiply
   84,510.25x = 126,889.98 × 47,143.33
4. Step 4: Simplify right side
   84,510.25x = 5,982,016,200.83
5. Step 5: Solve for x
   x = 5,982,016,200.83/84,510.25
6. Step 6: Final answer
   x = 70,784.50