Finding the Fourth Proportional to 159,329.31, 219,880.71 and 87,716.00

Step by Step Solution

1. Step 1: Write the proportion equation
   159,329.31 : 219,880.71 = 87,716.00 : x
2. Step 2: Convert to fraction form
   159,329.31/219,880.71 = 87,716.00/x
3. Step 3: Cross multiply
   159,329.31x = 219,880.71 × 87,716.00
4. Step 4: Simplify right side
   159,329.31x = 19,287,055,258.96
5. Step 5: Solve for x
   x = 19,287,055,258.96/159,329.31
6. Step 6: Final answer
   x = 121,051.52