Finding the Fourth Proportional to 52,835.13, 72,912.13 and 28,962.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,835.13 : 72,912.13 = 28,962.81 : x
2. Step 2: Convert to fraction form
   52,835.13/72,912.13 = 28,962.81/x
3. Step 3: Cross multiply
   52,835.13x = 72,912.13 × 28,962.81
4. Step 4: Simplify right side
   52,835.13x = 2,111,740,167.89
5. Step 5: Solve for x
   x = 2,111,740,167.89/52,835.13
6. Step 6: Final answer
   x = 39,968.49