Finding the Fourth Proportional to 52,832.70, 72,907.56 and 28,958.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,832.70 : 72,907.56 = 28,958.94 : x
2. Step 2: Convert to fraction form
   52,832.70/72,907.56 = 28,958.94/x
3. Step 3: Cross multiply
   52,832.70x = 72,907.56 × 28,958.94
4. Step 4: Simplify right side
   52,832.70x = 2,111,325,655.59
5. Step 5: Solve for x
   x = 2,111,325,655.59/52,832.70
6. Step 6: Final answer
   x = 39,962.48