Finding the Fourth Proportional to 77,573.35, 116,366.71 and 21,413.47

Step by Step Solution

1. Step 1: Write the proportion equation
   77,573.35 : 116,366.71 = 21,413.47 : x
2. Step 2: Convert to fraction form
   77,573.35/116,366.71 = 21,413.47/x
3. Step 3: Cross multiply
   77,573.35x = 116,366.71 × 21,413.47
4. Step 4: Simplify right side
   77,573.35x = 2,491,815,053.58
5. Step 5: Solve for x
   x = 2,491,815,053.58/77,573.35
6. Step 6: Final answer
   x = 32,122.05