Finding the Fourth Proportional to 108,563.07, 149,819.99 and 60,815.40

Step by Step Solution

1. Step 1: Write the proportion equation
   108,563.07 : 149,819.99 = 60,815.40 : x
2. Step 2: Convert to fraction form
   108,563.07/149,819.99 = 60,815.40/x
3. Step 3: Cross multiply
   108,563.07x = 149,819.99 × 60,815.40
4. Step 4: Simplify right side
   108,563.07x = 9,111,362,619.85
5. Step 5: Solve for x
   x = 9,111,362,619.85/108,563.07
6. Step 6: Final answer
   x = 83,926.91