Finding the Fourth Proportional to 52,410.37, 72,327.86 and 28,538.05

Step by Step Solution

1. Step 1: Write the proportion equation
   52,410.37 : 72,327.86 = 28,538.05 : x
2. Step 2: Convert to fraction form
   52,410.37/72,327.86 = 28,538.05/x
3. Step 3: Cross multiply
   52,410.37x = 72,327.86 × 28,538.05
4. Step 4: Simplify right side
   52,410.37x = 2,064,095,942.38
5. Step 5: Solve for x
   x = 2,064,095,942.38/52,410.37
6. Step 6: Final answer
   x = 39,383.35