Finding the Fourth Proportional to 111,059.47, 165,716.92 and 104,281.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,059.47 : 165,716.92 = 104,281.12 : x
2. Step 2: Convert to fraction form
   111,059.47/165,716.92 = 104,281.12/x
3. Step 3: Cross multiply
   111,059.47x = 165,716.92 × 104,281.12
4. Step 4: Simplify right side
   111,059.47x = 17,281,146,020.55
5. Step 5: Solve for x
   x = 17,281,146,020.55/111,059.47
6. Step 6: Final answer
   x = 155,602.63