Finding the Fourth Proportional to 231,085.89, 346,635.89 and 79,280.84

Step by Step Solution

1. Step 1: Write the proportion equation
   231,085.89 : 346,635.89 = 79,280.84 : x
2. Step 2: Convert to fraction form
   231,085.89/346,635.89 = 79,280.84/x
3. Step 3: Cross multiply
   231,085.89x = 346,635.89 × 79,280.84
4. Step 4: Simplify right side
   231,085.89x = 27,481,582,800.17
5. Step 5: Solve for x
   x = 27,481,582,800.17/231,085.89
6. Step 6: Final answer
   x = 118,923.68