Finding the Fourth Proportional to 60,735.96, 91,106.72 and 18,613

Step by Step Solution

1. Step 1: Write the proportion equation
   60,735.96 : 91,106.72 = 18,613 : x
2. Step 2: Convert to fraction form
   60,735.96/91,106.72 = 18,613/x
3. Step 3: Cross multiply
   60,735.96x = 91,106.72 × 18,613
4. Step 4: Simplify right side
   60,735.96x = 1,695,769,379.36
5. Step 5: Solve for x
   x = 1,695,769,379.36/60,735.96
6. Step 6: Final answer
   x = 27,920.35