Finding the Fourth Proportional to 42,434.82, 63,651.93 and 10,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,434.82 : 63,651.93 = 10,413.50 : x
2. Step 2: Convert to fraction form
   42,434.82/63,651.93 = 10,413.50/x
3. Step 3: Cross multiply
   42,434.82x = 63,651.93 × 10,413.50
4. Step 4: Simplify right side
   42,434.82x = 662,839,015.74
5. Step 5: Solve for x
   x = 662,839,015.74/42,434.82
6. Step 6: Final answer
   x = 15,620.17