Finding the Fourth Proportional to 147,036.71, 220,199.80 and 83,664.83

Step by Step Solution

1. Step 1: Write the proportion equation
   147,036.71 : 220,199.80 = 83,664.83 : x
2. Step 2: Convert to fraction form
   147,036.71/220,199.80 = 83,664.83/x
3. Step 3: Cross multiply
   147,036.71x = 220,199.80 × 83,664.83
4. Step 4: Simplify right side
   147,036.71x = 18,422,978,833.03
5. Step 5: Solve for x
   x = 18,422,978,833.03/147,036.71
6. Step 6: Final answer
   x = 125,295.10