Finding the Fourth Proportional to 158,619.06, 218,900.43 and 87,002.10

Step by Step Solution

1. Step 1: Write the proportion equation
   158,619.06 : 218,900.43 = 87,002.10 : x
2. Step 2: Convert to fraction form
   158,619.06/218,900.43 = 87,002.10/x
3. Step 3: Cross multiply
   158,619.06x = 218,900.43 × 87,002.10
4. Step 4: Simplify right side
   158,619.06x = 19,044,797,100.90
5. Step 5: Solve for x
   x = 19,044,797,100.90/158,619.06
6. Step 6: Final answer
   x = 120,066.26