Finding the Fourth Proportional to 31,892.16, 48,137.79 and 31,892.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,892.16 : 48,137.79 = 31,892.16 : x
2. Step 2: Convert to fraction form
   31,892.16/48,137.79 = 31,892.16/x
3. Step 3: Cross multiply
   31,892.16x = 48,137.79 × 31,892.16
4. Step 4: Simplify right side
   31,892.16x = 1,535,218,100.73
5. Step 5: Solve for x
   x = 1,535,218,100.73/31,892.16
6. Step 6: Final answer
   x = 48,137.79