Finding the Fourth Proportional to 52,777.71, 72,833.27 and 28,905.89

Step by Step Solution

1. Step 1: Write the proportion equation
   52,777.71 : 72,833.27 = 28,905.89 : x
2. Step 2: Convert to fraction form
   52,777.71/72,833.27 = 28,905.89/x
3. Step 3: Cross multiply
   52,777.71x = 72,833.27 × 28,905.89
4. Step 4: Simplify right side
   52,777.71x = 2,105,309,982.26
5. Step 5: Solve for x
   x = 2,105,309,982.26/52,777.71
6. Step 6: Final answer
   x = 39,890.14