Finding the Fourth Proportional to 42,097.67, 63,101.31 and 20,996.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,097.67 : 63,101.31 = 20,996.02 : x
2. Step 2: Convert to fraction form
   42,097.67/63,101.31 = 20,996.02/x
3. Step 3: Cross multiply
   42,097.67x = 63,101.31 × 20,996.02
4. Step 4: Simplify right side
   42,097.67x = 1,324,876,662.50
5. Step 5: Solve for x
   x = 1,324,876,662.50/42,097.67
6. Step 6: Final answer
   x = 31,471.50