Finding the Fourth Proportional to 158,627.31, 218,911.82 and 87,010.35

Step by Step Solution

1. Step 1: Write the proportion equation
   158,627.31 : 218,911.82 = 87,010.35 : x
2. Step 2: Convert to fraction form
   158,627.31/218,911.82 = 87,010.35/x
3. Step 3: Cross multiply
   158,627.31x = 218,911.82 × 87,010.35
4. Step 4: Simplify right side
   158,627.31x = 19,047,593,642.29
5. Step 5: Solve for x
   x = 19,047,593,642.29/158,627.31
6. Step 6: Final answer
   x = 120,077.64