Finding the Fourth Proportional to 111,824.58, 154,159.56 and 79,938.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,824.58 : 154,159.56 = 79,938.12 : x
2. Step 2: Convert to fraction form
   111,824.58/154,159.56 = 79,938.12/x
3. Step 3: Cross multiply
   111,824.58x = 154,159.56 × 79,938.12
4. Step 4: Simplify right side
   111,824.58x = 12,323,225,406.43
5. Step 5: Solve for x
   x = 12,323,225,406.43/111,824.58
6. Step 6: Final answer
   x = 110,201.40