Finding the Fourth Proportional to 55,298.43, 82,903.91 and 39,503.43

Step by Step Solution

1. Step 1: Write the proportion equation
   55,298.43 : 82,903.91 = 39,503.43 : x
2. Step 2: Convert to fraction form
   55,298.43/82,903.91 = 39,503.43/x
3. Step 3: Cross multiply
   55,298.43x = 82,903.91 × 39,503.43
4. Step 4: Simplify right side
   55,298.43x = 3,274,988,607.89
5. Step 5: Solve for x
   x = 3,274,988,607.89/55,298.43
6. Step 6: Final answer
   x = 59,223.90