Finding the Fourth Proportional to 52,834.63, 72,911.44 and 28,962.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,834.63 : 72,911.44 = 28,962.31 : x
2. Step 2: Convert to fraction form
   52,834.63/72,911.44 = 28,962.31/x
3. Step 3: Cross multiply
   52,834.63x = 72,911.44 × 28,962.31
4. Step 4: Simplify right side
   52,834.63x = 2,111,683,727.83
5. Step 5: Solve for x
   x = 2,111,683,727.83/52,834.63
6. Step 6: Final answer
   x = 39,967.80