Finding the Fourth Proportional to 52,309.98, 71,909.73 and 45,015.57

Step by Step Solution

1. Step 1: Write the proportion equation
   52,309.98 : 71,909.73 = 45,015.57 : x
2. Step 2: Convert to fraction form
   52,309.98/71,909.73 = 45,015.57/x
3. Step 3: Cross multiply
   52,309.98x = 71,909.73 × 45,015.57
4. Step 4: Simplify right side
   52,309.98x = 3,237,057,484.50
5. Step 5: Solve for x
   x = 3,237,057,484.50/52,309.98
6. Step 6: Final answer
   x = 61,882.22