Finding the Fourth Proportional to 42,304.68, 63,427.86 and 20,099.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,304.68 : 63,427.86 = 20,099.34 : x
2. Step 2: Convert to fraction form
   42,304.68/63,427.86 = 20,099.34/x
3. Step 3: Cross multiply
   42,304.68x = 63,427.86 × 20,099.34
4. Step 4: Simplify right side
   42,304.68x = 1,274,858,123.61
5. Step 5: Solve for x
   x = 1,274,858,123.61/42,304.68
6. Step 6: Final answer
   x = 30,135.16