Finding the Fourth Proportional to 37,231, 51,378.86 and 20,464.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,231 : 51,378.86 = 20,464.12 : x
2. Step 2: Convert to fraction form
   37,231/51,378.86 = 20,464.12/x
3. Step 3: Cross multiply
   37,231x = 51,378.86 × 20,464.12
4. Step 4: Simplify right side
   37,231x = 1,051,423,156.50
5. Step 5: Solve for x
   x = 1,051,423,156.50/37,231
6. Step 6: Final answer
   x = 28,240.53