Finding the Fourth Proportional to 52,981.89, 73,082.58 and 31,457.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,981.89 : 73,082.58 = 31,457.03 : x
2. Step 2: Convert to fraction form
   52,981.89/73,082.58 = 31,457.03/x
3. Step 3: Cross multiply
   52,981.89x = 73,082.58 × 31,457.03
4. Step 4: Simplify right side
   52,981.89x = 2,298,960,911.54
5. Step 5: Solve for x
   x = 2,298,960,911.54/52,981.89
6. Step 6: Final answer
   x = 43,391.45