Finding the Fourth Proportional to 52,978.55, 73,110.03 and 28,779.29

Step by Step Solution

1. Step 1: Write the proportion equation
   52,978.55 : 73,110.03 = 28,779.29 : x
2. Step 2: Convert to fraction form
   52,978.55/73,110.03 = 28,779.29/x
3. Step 3: Cross multiply
   52,978.55x = 73,110.03 × 28,779.29
4. Step 4: Simplify right side
   52,978.55x = 2,104,054,389.73
5. Step 5: Solve for x
   x = 2,104,054,389.73/52,978.55
6. Step 6: Final answer
   x = 39,715.22