Finding the Fourth Proportional to 42,538.09, 63,806.69 and 10,948.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,538.09 : 63,806.69 = 10,948.02 : x
2. Step 2: Convert to fraction form
   42,538.09/63,806.69 = 10,948.02/x
3. Step 3: Cross multiply
   42,538.09x = 63,806.69 × 10,948.02
4. Step 4: Simplify right side
   42,538.09x = 698,557,105.14
5. Step 5: Solve for x
   x = 698,557,105.14/42,538.09
6. Step 6: Final answer
   x = 16,421.92