Finding the Fourth Proportional to 158,774.82, 219,108.42 and 87,156.06

Step by Step Solution

1. Step 1: Write the proportion equation
   158,774.82 : 219,108.42 = 87,156.06 : x
2. Step 2: Convert to fraction form
   158,774.82/219,108.42 = 87,156.06/x
3. Step 3: Cross multiply
   158,774.82x = 219,108.42 × 87,156.06
4. Step 4: Simplify right side
   158,774.82x = 19,096,626,600.03
5. Step 5: Solve for x
   x = 19,096,626,600.03/158,774.82
6. Step 6: Final answer
   x = 120,274.91