Finding the Fourth Proportional to 37,629, 56,436.57 and 13,932.90

Step by Step Solution

1. Step 1: Write the proportion equation
   37,629 : 56,436.57 = 13,932.90 : x
2. Step 2: Convert to fraction form
   37,629/56,436.57 = 13,932.90/x
3. Step 3: Cross multiply
   37,629x = 56,436.57 × 13,932.90
4. Step 4: Simplify right side
   37,629x = 786,325,086.15
5. Step 5: Solve for x
   x = 786,325,086.15/37,629
6. Step 6: Final answer
   x = 20,896.78