Finding the Fourth Proportional to 158,927.72, 219,322.50 and 87,314.36

Step by Step Solution

1. Step 1: Write the proportion equation
   158,927.72 : 219,322.50 = 87,314.36 : x
2. Step 2: Convert to fraction form
   158,927.72/219,322.50 = 87,314.36/x
3. Step 3: Cross multiply
   158,927.72x = 219,322.50 × 87,314.36
4. Step 4: Simplify right side
   158,927.72x = 19,150,003,721.10
5. Step 5: Solve for x
   x = 19,150,003,721.10/158,927.72
6. Step 6: Final answer
   x = 120,495.05