Finding the Fourth Proportional to 52,181.52, 71,977.73 and 30,945.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,181.52 : 71,977.73 = 30,945.75 : x
2. Step 2: Convert to fraction form
   52,181.52/71,977.73 = 30,945.75/x
3. Step 3: Cross multiply
   52,181.52x = 71,977.73 × 30,945.75
4. Step 4: Simplify right side
   52,181.52x = 2,227,404,683.42
5. Step 5: Solve for x
   x = 2,227,404,683.42/52,181.52
6. Step 6: Final answer
   x = 42,685.70