Finding the Fourth Proportional to 158,887.05, 239,196.27 and 137,192.01

Step by Step Solution

1. Step 1: Write the proportion equation
   158,887.05 : 239,196.27 = 137,192.01 : x
2. Step 2: Convert to fraction form
   158,887.05/239,196.27 = 137,192.01/x
3. Step 3: Cross multiply
   158,887.05x = 239,196.27 × 137,192.01
4. Step 4: Simplify right side
   158,887.05x = 32,815,817,065.80
5. Step 5: Solve for x
   x = 32,815,817,065.80/158,887.05
6. Step 6: Final answer
   x = 206,535.50