Finding the Fourth Proportional to 42,020.14, 63,030.15 and 19,518.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.14 : 63,030.15 = 19,518.52 : x
2. Step 2: Convert to fraction form
   42,020.14/63,030.15 = 19,518.52/x
3. Step 3: Cross multiply
   42,020.14x = 63,030.15 × 19,518.52
4. Step 4: Simplify right side
   42,020.14x = 1,230,255,243.38
5. Step 5: Solve for x
   x = 1,230,255,243.38/42,020.14
6. Step 6: Final answer
   x = 29,277.75