Finding the Fourth Proportional to 52,902.39, 72,914.38 and 50,411.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,902.39 : 72,914.38 = 50,411.03 : x
2. Step 2: Convert to fraction form
   52,902.39/72,914.38 = 50,411.03/x
3. Step 3: Cross multiply
   52,902.39x = 72,914.38 × 50,411.03
4. Step 4: Simplify right side
   52,902.39x = 3,675,688,997.61
5. Step 5: Solve for x
   x = 3,675,688,997.61/52,902.39
6. Step 6: Final answer
   x = 69,480.58