Finding the Fourth Proportional to 42,083.82, 63,109.33 and 15,774.21

Step by Step Solution

1. Step 1: Write the proportion equation
   42,083.82 : 63,109.33 = 15,774.21 : x
2. Step 2: Convert to fraction form
   42,083.82/63,109.33 = 15,774.21/x
3. Step 3: Cross multiply
   42,083.82x = 63,109.33 × 15,774.21
4. Step 4: Simplify right side
   42,083.82x = 995,499,784.94
5. Step 5: Solve for x
   x = 995,499,784.94/42,083.82
6. Step 6: Final answer
   x = 23,655.17