Finding the Fourth Proportional to 78,660.45, 117,991.89 and 22,499.51

Step by Step Solution

1. Step 1: Write the proportion equation
   78,660.45 : 117,991.89 = 22,499.51 : x
2. Step 2: Convert to fraction form
   78,660.45/117,991.89 = 22,499.51/x
3. Step 3: Cross multiply
   78,660.45x = 117,991.89 × 22,499.51
4. Step 4: Simplify right side
   78,660.45x = 2,654,759,119.01
5. Step 5: Solve for x
   x = 2,654,759,119.01/78,660.45
6. Step 6: Final answer
   x = 33,749.61