Finding the Fourth Proportional to 111,066.03, 153,111.70 and 79,179.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,066.03 : 153,111.70 = 79,179.57 : x
2. Step 2: Convert to fraction form
   111,066.03/153,111.70 = 79,179.57/x
3. Step 3: Cross multiply
   111,066.03x = 153,111.70 × 79,179.57
4. Step 4: Simplify right side
   111,066.03x = 12,123,318,567.97
5. Step 5: Solve for x
   x = 12,123,318,567.97/111,066.03
6. Step 6: Final answer
   x = 109,154.15