Finding the Fourth Proportional to 72,066.42, 108,102.06 and 19,476.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,066.42 : 108,102.06 = 19,476.36 : x
2. Step 2: Convert to fraction form
   72,066.42/108,102.06 = 19,476.36/x
3. Step 3: Cross multiply
   72,066.42x = 108,102.06 × 19,476.36
4. Step 4: Simplify right side
   72,066.42x = 2,105,434,637.30
5. Step 5: Solve for x
   x = 2,105,434,637.30/72,066.42
6. Step 6: Final answer
   x = 29,215.20