Finding the Fourth Proportional to 158,627.94, 218,906.88 and 87,008.56

Step by Step Solution

1. Step 1: Write the proportion equation
   158,627.94 : 218,906.88 = 87,008.56 : x
2. Step 2: Convert to fraction form
   158,627.94/218,906.88 = 87,008.56/x
3. Step 3: Cross multiply
   158,627.94x = 218,906.88 × 87,008.56
4. Step 4: Simplify right side
   158,627.94x = 19,046,772,402.89
5. Step 5: Solve for x
   x = 19,046,772,402.89/158,627.94
6. Step 6: Final answer
   x = 120,071.99