Finding the Fourth Proportional to 37,413, 51,630.12 and 20,647.08

Step by Step Solution

1. Step 1: Write the proportion equation
   37,413 : 51,630.12 = 20,647.08 : x
2. Step 2: Convert to fraction form
   37,413/51,630.12 = 20,647.08/x
3. Step 3: Cross multiply
   37,413x = 51,630.12 × 20,647.08
4. Step 4: Simplify right side
   37,413x = 1,066,011,218.05
5. Step 5: Solve for x
   x = 1,066,011,218.05/37,413
6. Step 6: Final answer
   x = 28,493.07