Finding the Fourth Proportional to 52,674.86, 72,690.80 and 28,801.28

Step by Step Solution

1. Step 1: Write the proportion equation
   52,674.86 : 72,690.80 = 28,801.28 : x
2. Step 2: Convert to fraction form
   52,674.86/72,690.80 = 28,801.28/x
3. Step 3: Cross multiply
   52,674.86x = 72,690.80 × 28,801.28
4. Step 4: Simplify right side
   52,674.86x = 2,093,588,084.22
5. Step 5: Solve for x
   x = 2,093,588,084.22/52,674.86
6. Step 6: Final answer
   x = 39,745.49