Finding the Fourth Proportional to 111,184.16, 166,636.52 and 79,428.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,184.16 : 166,636.52 = 79,428.92 : x
2. Step 2: Convert to fraction form
   111,184.16/166,636.52 = 79,428.92/x
3. Step 3: Cross multiply
   111,184.16x = 166,636.52 × 79,428.92
4. Step 4: Simplify right side
   111,184.16x = 13,235,758,419.01
5. Step 5: Solve for x
   x = 13,235,758,419.01/111,184.16
6. Step 6: Final answer
   x = 119,043.56