Finding the Fourth Proportional to 111,141.08, 166,804.86 and 104,134.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,141.08 : 166,804.86 = 104,134.76 : x
2. Step 2: Convert to fraction form
   111,141.08/166,804.86 = 104,134.76/x
3. Step 3: Cross multiply
   111,141.08x = 166,804.86 × 104,134.76
4. Step 4: Simplify right side
   111,141.08x = 17,370,184,062.93
5. Step 5: Solve for x
   x = 17,370,184,062.93/111,141.08
6. Step 6: Final answer
   x = 156,289.50