Finding the Fourth Proportional to 37,816.12, 52,185.06 and 21,900.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,816.12 : 52,185.06 = 21,900.88 : x
2. Step 2: Convert to fraction form
   37,816.12/52,185.06 = 21,900.88/x
3. Step 3: Cross multiply
   37,816.12x = 52,185.06 × 21,900.88
4. Step 4: Simplify right side
   37,816.12x = 1,142,898,736.85
5. Step 5: Solve for x
   x = 1,142,898,736.85/37,816.12
6. Step 6: Final answer
   x = 30,222.53