Finding the Fourth Proportional to 42,654.60, 63,889.56 and 30,942

Step by Step Solution

1. Step 1: Write the proportion equation
   42,654.60 : 63,889.56 = 30,942 : x
2. Step 2: Convert to fraction form
   42,654.60/63,889.56 = 30,942/x
3. Step 3: Cross multiply
   42,654.60x = 63,889.56 × 30,942
4. Step 4: Simplify right side
   42,654.60x = 1,976,870,765.52
5. Step 5: Solve for x
   x = 1,976,870,765.52/42,654.60
6. Step 6: Final answer
   x = 46,346.02