Finding the Fourth Proportional to 52,443.71, 72,372.38 and 28,570.44

Step by Step Solution

1. Step 1: Write the proportion equation
   52,443.71 : 72,372.38 = 28,570.44 : x
2. Step 2: Convert to fraction form
   52,443.71/72,372.38 = 28,570.44/x
3. Step 3: Cross multiply
   52,443.71x = 72,372.38 × 28,570.44
4. Step 4: Simplify right side
   52,443.71x = 2,067,710,740.45
5. Step 5: Solve for x
   x = 2,067,710,740.45/52,443.71
6. Step 6: Final answer
   x = 39,427.24