Finding the Fourth Proportional to 52,773, 72,827.54 and 28,901.89

Step by Step Solution

1. Step 1: Write the proportion equation
   52,773 : 72,827.54 = 28,901.89 : x
2. Step 2: Convert to fraction form
   52,773/72,827.54 = 28,901.89/x
3. Step 3: Cross multiply
   52,773x = 72,827.54 × 28,901.89
4. Step 4: Simplify right side
   52,773x = 2,104,853,550.05
5. Step 5: Solve for x
   x = 2,104,853,550.05/52,773
6. Step 6: Final answer
   x = 39,885.05