Finding the Fourth Proportional to 108,074.77, 149,142.61 and 62,763.89

Step by Step Solution

1. Step 1: Write the proportion equation
   108,074.77 : 149,142.61 = 62,763.89 : x
2. Step 2: Convert to fraction form
   108,074.77/149,142.61 = 62,763.89/x
3. Step 3: Cross multiply
   108,074.77x = 149,142.61 × 62,763.89
4. Step 4: Simplify right side
   108,074.77x = 9,360,770,368.35
5. Step 5: Solve for x
   x = 9,360,770,368.35/108,074.77
6. Step 6: Final answer
   x = 86,613.84