Finding the Fourth Proportional to 42,544.58, 63,719.67 and 20,373.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,544.58 : 63,719.67 = 20,373.53 : x
2. Step 2: Convert to fraction form
   42,544.58/63,719.67 = 20,373.53/x
3. Step 3: Cross multiply
   42,544.58x = 63,719.67 × 20,373.53
4. Step 4: Simplify right side
   42,544.58x = 1,298,194,608.34
5. Step 5: Solve for x
   x = 1,298,194,608.34/42,544.58
6. Step 6: Final answer
   x = 30,513.75