Finding the Fourth Proportional to 52,789.14, 72,849.65 and 28,916.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,789.14 : 72,849.65 = 28,916.82 : x
2. Step 2: Convert to fraction form
   52,789.14/72,849.65 = 28,916.82/x
3. Step 3: Cross multiply
   52,789.14x = 72,849.65 × 28,916.82
4. Step 4: Simplify right side
   52,789.14x = 2,106,580,071.53
5. Step 5: Solve for x
   x = 2,106,580,071.53/52,789.14
6. Step 6: Final answer
   x = 39,905.56