Finding the Fourth Proportional to 96,618.72, 133,256.88 and 79,822.56

Step by Step Solution

1. Step 1: Write the proportion equation
   96,618.72 : 133,256.88 = 79,822.56 : x
2. Step 2: Convert to fraction form
   96,618.72/133,256.88 = 79,822.56/x
3. Step 3: Cross multiply
   96,618.72x = 133,256.88 × 79,822.56
4. Step 4: Simplify right side
   96,618.72x = 10,636,905,299.21
5. Step 5: Solve for x
   x = 10,636,905,299.21/96,618.72
6. Step 6: Final answer
   x = 110,091.56