Finding the Fourth Proportional to 52,085.21, 71,873.85 and 30,575.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,085.21 : 71,873.85 = 30,575.82 : x
2. Step 2: Convert to fraction form
   52,085.21/71,873.85 = 30,575.82/x
3. Step 3: Cross multiply
   52,085.21x = 71,873.85 × 30,575.82
4. Step 4: Simplify right side
   52,085.21x = 2,197,601,900.31
5. Step 5: Solve for x
   x = 2,197,601,900.31/52,085.21
6. Step 6: Final answer
   x = 42,192.44