Finding the Fourth Proportional to 52,779.05, 72,832.37 and 28,901.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,779.05 : 72,832.37 = 28,901.10 : x
2. Step 2: Convert to fraction form
   52,779.05/72,832.37 = 28,901.10/x
3. Step 3: Cross multiply
   52,779.05x = 72,832.37 × 28,901.10
4. Step 4: Simplify right side
   52,779.05x = 2,104,935,464.10
5. Step 5: Solve for x
   x = 2,104,935,464.10/52,779.05
6. Step 6: Final answer
   x = 39,882.03