Finding the Fourth Proportional to 151,500.83, 209,158.16 and 100,582.29

Step by Step Solution

1. Step 1: Write the proportion equation
   151,500.83 : 209,158.16 = 100,582.29 : x
2. Step 2: Convert to fraction form
   151,500.83/209,158.16 = 100,582.29/x
3. Step 3: Cross multiply
   151,500.83x = 209,158.16 × 100,582.29
4. Step 4: Simplify right side
   151,500.83x = 21,037,606,202.07
5. Step 5: Solve for x
   x = 21,037,606,202.07/151,500.83
6. Step 6: Final answer
   x = 138,861.33