Finding the Fourth Proportional to 37,140.58, 55,646.04 and 30,940.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,140.58 : 55,646.04 = 30,940.42 : x
2. Step 2: Convert to fraction form
   37,140.58/55,646.04 = 30,940.42/x
3. Step 3: Cross multiply
   37,140.58x = 55,646.04 × 30,940.42
4. Step 4: Simplify right side
   37,140.58x = 1,721,711,848.94
5. Step 5: Solve for x
   x = 1,721,711,848.94/37,140.58
6. Step 6: Final answer
   x = 46,356.62