Finding the Fourth Proportional to 37,791.72, 52,162.02 and 21,885.84

Step by Step Solution

1. Step 1: Write the proportion equation
   37,791.72 : 52,162.02 = 21,885.84 : x
2. Step 2: Convert to fraction form
   37,791.72/52,162.02 = 21,885.84/x
3. Step 3: Cross multiply
   37,791.72x = 52,162.02 × 21,885.84
4. Step 4: Simplify right side
   37,791.72x = 1,141,609,623.80
5. Step 5: Solve for x
   x = 1,141,609,623.80/37,791.72
6. Step 6: Final answer
   x = 30,207.93