Finding the Fourth Proportional to 37,908.42, 52,313.04 and 21,995.61

Step by Step Solution

1. Step 1: Write the proportion equation
   37,908.42 : 52,313.04 = 21,995.61 : x
2. Step 2: Convert to fraction form
   37,908.42/52,313.04 = 21,995.61/x
3. Step 3: Cross multiply
   37,908.42x = 52,313.04 × 21,995.61
4. Step 4: Simplify right side
   37,908.42x = 1,150,657,225.75
5. Step 5: Solve for x
   x = 1,150,657,225.75/37,908.42
6. Step 6: Final answer
   x = 30,353.61