Finding the Fourth Proportional to 52,030.72, 71,799.90 and 30,517.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,030.72 : 71,799.90 = 30,517.52 : x
2. Step 2: Convert to fraction form
   52,030.72/71,799.90 = 30,517.52/x
3. Step 3: Cross multiply
   52,030.72x = 71,799.90 × 30,517.52
4. Step 4: Simplify right side
   52,030.72x = 2,191,154,884.25
5. Step 5: Solve for x
   x = 2,191,154,884.25/52,030.72
6. Step 6: Final answer
   x = 42,112.72