Finding the Fourth Proportional to 116,259.41, 174,388.17 and 76,992.23

Step by Step Solution

1. Step 1: Write the proportion equation
   116,259.41 : 174,388.17 = 76,992.23 : x
2. Step 2: Convert to fraction form
   116,259.41/174,388.17 = 76,992.23/x
3. Step 3: Cross multiply
   116,259.41x = 174,388.17 × 76,992.23
4. Step 4: Simplify right side
   116,259.41x = 13,426,534,093.92
5. Step 5: Solve for x
   x = 13,426,534,093.92/116,259.41
6. Step 6: Final answer
   x = 115,487.72