Finding the Fourth Proportional to 108,075.72, 149,143.91 and 62,764.83

Step by Step Solution

1. Step 1: Write the proportion equation
   108,075.72 : 149,143.91 = 62,764.83 : x
2. Step 2: Convert to fraction form
   108,075.72/149,143.91 = 62,764.83/x
3. Step 3: Cross multiply
   108,075.72x = 149,143.91 × 62,764.83
4. Step 4: Simplify right side
   108,075.72x = 9,360,991,842.86
5. Step 5: Solve for x
   x = 9,360,991,842.86/108,075.72
6. Step 6: Final answer
   x = 86,615.12