Finding the Fourth Proportional to 52,031.49, 71,795.76 and 30,513.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,031.49 : 71,795.76 = 30,513.09 : x
2. Step 2: Convert to fraction form
   52,031.49/71,795.76 = 30,513.09/x
3. Step 3: Cross multiply
   52,031.49x = 71,795.76 × 30,513.09
4. Step 4: Simplify right side
   52,031.49x = 2,190,710,486.50
5. Step 5: Solve for x
   x = 2,190,710,486.50/52,031.49
6. Step 6: Final answer
   x = 42,103.55