Finding the Fourth Proportional to 108,150.59, 149,215.16 and 62,819.75

Step by Step Solution

1. Step 1: Write the proportion equation
   108,150.59 : 149,215.16 = 62,819.75 : x
2. Step 2: Convert to fraction form
   108,150.59/149,215.16 = 62,819.75/x
3. Step 3: Cross multiply
   108,150.59x = 149,215.16 × 62,819.75
4. Step 4: Simplify right side
   108,150.59x = 9,373,659,577.50
5. Step 5: Solve for x
   x = 9,373,659,577.50/108,150.59
6. Step 6: Final answer
   x = 86,672.29