Finding the Fourth Proportional to 142,803.58, 213,806.01 and 107,633.02

Step by Step Solution

1. Step 1: Write the proportion equation
   142,803.58 : 213,806.01 = 107,633.02 : x
2. Step 2: Convert to fraction form
   142,803.58/213,806.01 = 107,633.02/x
3. Step 3: Cross multiply
   142,803.58x = 213,806.01 × 107,633.02
4. Step 4: Simplify right side
   142,803.58x = 23,012,586,550.45
5. Step 5: Solve for x
   x = 23,012,586,550.45/142,803.58
6. Step 6: Final answer
   x = 161,148.53