Finding the Fourth Proportional to 70,760.18, 106,141.35 and 18,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,760.18 : 106,141.35 = 18,168.50 : x
2. Step 2: Convert to fraction form
   70,760.18/106,141.35 = 18,168.50/x
3. Step 3: Cross multiply
   70,760.18x = 106,141.35 × 18,168.50
4. Step 4: Simplify right side
   70,760.18x = 1,928,429,450.96
5. Step 5: Solve for x
   x = 1,928,429,450.96/70,760.18
6. Step 6: Final answer
   x = 27,253.03