Finding the Fourth Proportional to 42,210.84, 63,297.82 and 20,030.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,210.84 : 63,297.82 = 20,030.56 : x
2. Step 2: Convert to fraction form
   42,210.84/63,297.82 = 20,030.56/x
3. Step 3: Cross multiply
   42,210.84x = 63,297.82 × 20,030.56
4. Step 4: Simplify right side
   42,210.84x = 1,267,890,781.38
5. Step 5: Solve for x
   x = 1,267,890,781.38/42,210.84
6. Step 6: Final answer
   x = 30,037.09