Finding the Fourth Proportional to 37,380.72, 51,585.35 and 20,384.99

Step by Step Solution

1. Step 1: Write the proportion equation
   37,380.72 : 51,585.35 = 20,384.99 : x
2. Step 2: Convert to fraction form
   37,380.72/51,585.35 = 20,384.99/x
3. Step 3: Cross multiply
   37,380.72x = 51,585.35 × 20,384.99
4. Step 4: Simplify right side
   37,380.72x = 1,051,566,921.90
5. Step 5: Solve for x
   x = 1,051,566,921.90/37,380.72
6. Step 6: Final answer
   x = 28,131.27