Finding the Fourth Proportional to 137,062.23, 205,538.82 and 52,775.72

Step by Step Solution

1. Step 1: Write the proportion equation
   137,062.23 : 205,538.82 = 52,775.72 : x
2. Step 2: Convert to fraction form
   137,062.23/205,538.82 = 52,775.72/x
3. Step 3: Cross multiply
   137,062.23x = 205,538.82 × 52,775.72
4. Step 4: Simplify right side
   137,062.23x = 10,847,458,185.76
5. Step 5: Solve for x
   x = 10,847,458,185.76/137,062.23
6. Step 6: Final answer
   x = 79,142.58