Finding the Fourth Proportional to 189,066.51, 260,900.06 and 108,500.67

Step by Step Solution

1. Step 1: Write the proportion equation
   189,066.51 : 260,900.06 = 108,500.67 : x
2. Step 2: Convert to fraction form
   189,066.51/260,900.06 = 108,500.67/x
3. Step 3: Cross multiply
   189,066.51x = 260,900.06 × 108,500.67
4. Step 4: Simplify right side
   189,066.51x = 28,307,830,770.54
5. Step 5: Solve for x
   x = 28,307,830,770.54/189,066.51
6. Step 6: Final answer
   x = 149,724.19