Finding the Fourth Proportional to 77,982.15, 116,980.59 and 21,822.27

Step by Step Solution

1. Step 1: Write the proportion equation
   77,982.15 : 116,980.59 = 21,822.27 : x
2. Step 2: Convert to fraction form
   77,982.15/116,980.59 = 21,822.27/x
3. Step 3: Cross multiply
   77,982.15x = 116,980.59 × 21,822.27
4. Step 4: Simplify right side
   77,982.15x = 2,552,782,019.74
5. Step 5: Solve for x
   x = 2,552,782,019.74/77,982.15
6. Step 6: Final answer
   x = 32,735.47