Finding the Fourth Proportional to 37,289.18, 51,459.76 and 20,521.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,289.18 : 51,459.76 = 20,521.82 : x
2. Step 2: Convert to fraction form
   37,289.18/51,459.76 = 20,521.82/x
3. Step 3: Cross multiply
   37,289.18x = 51,459.76 × 20,521.82
4. Step 4: Simplify right side
   37,289.18x = 1,056,047,931.96
5. Step 5: Solve for x
   x = 1,056,047,931.96/37,289.18
6. Step 6: Final answer
   x = 28,320.49