Finding the Fourth Proportional to 49,607.29, 68,468.89 and 30,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,607.29 : 68,468.89 = 30,503.50 : x
2. Step 2: Convert to fraction form
   49,607.29/68,468.89 = 30,503.50/x
3. Step 3: Cross multiply
   49,607.29x = 68,468.89 × 30,503.50
4. Step 4: Simplify right side
   49,607.29x = 2,088,540,957.29
5. Step 5: Solve for x
   x = 2,088,540,957.29/49,607.29
6. Step 6: Final answer
   x = 42,101.49