Finding the Fourth Proportional to 158,973.59, 219,382.89 and 87,353.39

Step by Step Solution

1. Step 1: Write the proportion equation
   158,973.59 : 219,382.89 = 87,353.39 : x
2. Step 2: Convert to fraction form
   158,973.59/219,382.89 = 87,353.39/x
3. Step 3: Cross multiply
   158,973.59x = 219,382.89 × 87,353.39
4. Step 4: Simplify right side
   158,973.59x = 19,163,839,149.50
5. Step 5: Solve for x
   x = 19,163,839,149.50/158,973.59
6. Step 6: Final answer
   x = 120,547.31