Finding the Fourth Proportional to 37,380.79, 51,586.72 and 20,385.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,380.79 : 51,586.72 = 20,385.96 : x
2. Step 2: Convert to fraction form
   37,380.79/51,586.72 = 20,385.96/x
3. Step 3: Cross multiply
   37,380.79x = 51,586.72 × 20,385.96
4. Step 4: Simplify right side
   37,380.79x = 1,051,644,552.52
5. Step 5: Solve for x
   x = 1,051,644,552.52/37,380.79
6. Step 6: Final answer
   x = 28,133.29