Finding the Fourth Proportional to 60,827.37, 91,243.56 and 20,873.81

Step by Step Solution

1. Step 1: Write the proportion equation
   60,827.37 : 91,243.56 = 20,873.81 : x
2. Step 2: Convert to fraction form
   60,827.37/91,243.56 = 20,873.81/x
3. Step 3: Cross multiply
   60,827.37x = 91,243.56 × 20,873.81
4. Step 4: Simplify right side
   60,827.37x = 1,904,601,041.55
5. Step 5: Solve for x
   x = 1,904,601,041.55/60,827.37
6. Step 6: Final answer
   x = 31,311.58