Finding the Fourth Proportional to 52,695.63, 72,716.67 and 28,817.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,695.63 : 72,716.67 = 28,817.51 : x
2. Step 2: Convert to fraction form
   52,695.63/72,716.67 = 28,817.51/x
3. Step 3: Cross multiply
   52,695.63x = 72,716.67 × 28,817.51
4. Step 4: Simplify right side
   52,695.63x = 2,095,513,001.31
5. Step 5: Solve for x
   x = 2,095,513,001.31/52,695.63
6. Step 6: Final answer
   x = 39,766.35