Finding the Fourth Proportional to 52,833.51, 72,912.69 and 28,962

Step by Step Solution

1. Step 1: Write the proportion equation
   52,833.51 : 72,912.69 = 28,962 : x
2. Step 2: Convert to fraction form
   52,833.51/72,912.69 = 28,962/x
3. Step 3: Cross multiply
   52,833.51x = 72,912.69 × 28,962
4. Step 4: Simplify right side
   52,833.51x = 2,111,697,327.78
5. Step 5: Solve for x
   x = 2,111,697,327.78/52,833.51
6. Step 6: Final answer
   x = 39,968.90