Finding the Fourth Proportional to 72,556.02, 108,831.06 and 19,964.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,556.02 : 108,831.06 = 19,964.07 : x
2. Step 2: Convert to fraction form
   72,556.02/108,831.06 = 19,964.07/x
3. Step 3: Cross multiply
   72,556.02x = 108,831.06 × 19,964.07
4. Step 4: Simplify right side
   72,556.02x = 2,172,710,900.01
5. Step 5: Solve for x
   x = 2,172,710,900.01/72,556.02
6. Step 6: Final answer
   x = 29,945.29