Finding the Fourth Proportional to 52,675.90, 72,695 and 28,801.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,675.90 : 72,695 = 28,801.15 : x
2. Step 2: Convert to fraction form
   52,675.90/72,695 = 28,801.15/x
3. Step 3: Cross multiply
   52,675.90x = 72,695 × 28,801.15
4. Step 4: Simplify right side
   52,675.90x = 2,093,699,599.25
5. Step 5: Solve for x
   x = 2,093,699,599.25/52,675.90
6. Step 6: Final answer
   x = 39,746.82