Finding the Fourth Proportional to 151,590, 209,191.37 and 83,613.32

Step by Step Solution

1. Step 1: Write the proportion equation
   151,590 : 209,191.37 = 83,613.32 : x
2. Step 2: Convert to fraction form
   151,590/209,191.37 = 83,613.32/x
3. Step 3: Cross multiply
   151,590x = 209,191.37 × 83,613.32
4. Step 4: Simplify right side
   151,590x = 17,491,183,497.03
5. Step 5: Solve for x
   x = 17,491,183,497.03/151,590
6. Step 6: Final answer
   x = 115,384.81