Finding the Fourth Proportional to 52,901.39, 72,913 and 50,410.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,901.39 : 72,913 = 50,410.03 : x
2. Step 2: Convert to fraction form
   52,901.39/72,913 = 50,410.03/x
3. Step 3: Cross multiply
   52,901.39x = 72,913 × 50,410.03
4. Step 4: Simplify right side
   52,901.39x = 3,675,546,517.39
5. Step 5: Solve for x
   x = 3,675,546,517.39/52,901.39
6. Step 6: Final answer
   x = 69,479.20