Finding the Fourth Proportional to 52,696.42, 72,719.52 and 28,822.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,696.42 : 72,719.52 = 28,822.59 : x
2. Step 2: Convert to fraction form
   52,696.42/72,719.52 = 28,822.59/x
3. Step 3: Cross multiply
   52,696.42x = 72,719.52 × 28,822.59
4. Step 4: Simplify right side
   52,696.42x = 2,095,964,909.96
5. Step 5: Solve for x
   x = 2,095,964,909.96/52,696.42
6. Step 6: Final answer
   x = 39,774.33