Finding the Fourth Proportional to 37,908.37, 52,314.69 and 20,913.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,908.37 : 52,314.69 = 20,913.76 : x
2. Step 2: Convert to fraction form
   37,908.37/52,314.69 = 20,913.76/x
3. Step 3: Cross multiply
   37,908.37x = 52,314.69 × 20,913.76
4. Step 4: Simplify right side
   37,908.37x = 1,094,096,871.13
5. Step 5: Solve for x
   x = 1,094,096,871.13/37,908.37
6. Step 6: Final answer
   x = 28,861.62