Finding the Fourth Proportional to 49,648.96, 74,526.50 and 20,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,648.96 : 74,526.50 = 20,086.12 : x
2. Step 2: Convert to fraction form
   49,648.96/74,526.50 = 20,086.12/x
3. Step 3: Cross multiply
   49,648.96x = 74,526.50 × 20,086.12
4. Step 4: Simplify right side
   49,648.96x = 1,496,948,222.18
5. Step 5: Solve for x
   x = 1,496,948,222.18/49,648.96
6. Step 6: Final answer
   x = 30,150.65