Finding the Fourth Proportional to 116,253.76, 160,478.94 and 78,579.04

Step by Step Solution

1. Step 1: Write the proportion equation
   116,253.76 : 160,478.94 = 78,579.04 : x
2. Step 2: Convert to fraction form
   116,253.76/160,478.94 = 78,579.04/x
3. Step 3: Cross multiply
   116,253.76x = 160,478.94 × 78,579.04
4. Step 4: Simplify right side
   116,253.76x = 12,610,281,045.42
5. Step 5: Solve for x
   x = 12,610,281,045.42/116,253.76
6. Step 6: Final answer
   x = 108,472.03