Finding the Fourth Proportional to 116,093.79, 160,222.25 and 65,111.45

Step by Step Solution

1. Step 1: Write the proportion equation
   116,093.79 : 160,222.25 = 65,111.45 : x
2. Step 2: Convert to fraction form
   116,093.79/160,222.25 = 65,111.45/x
3. Step 3: Cross multiply
   116,093.79x = 160,222.25 × 65,111.45
4. Step 4: Simplify right side
   116,093.79x = 10,432,302,381.43
5. Step 5: Solve for x
   x = 10,432,302,381.43/116,093.79
6. Step 6: Final answer
   x = 89,860.99