Finding the Fourth Proportional to 37,697.40, 56,472.12 and 30,684.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,697.40 : 56,472.12 = 30,684.96 : x
2. Step 2: Convert to fraction form
   37,697.40/56,472.12 = 30,684.96/x
3. Step 3: Cross multiply
   37,697.40x = 56,472.12 × 30,684.96
4. Step 4: Simplify right side
   37,697.40x = 1,732,844,743.32
5. Step 5: Solve for x
   x = 1,732,844,743.32/37,697.40
6. Step 6: Final answer
   x = 45,967.22