Finding the Fourth Proportional to 151,567.50, 209,158.56 and 83,584.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,567.50 : 209,158.56 = 83,584.38 : x
2. Step 2: Convert to fraction form
   151,567.50/209,158.56 = 83,584.38/x
3. Step 3: Cross multiply
   151,567.50x = 209,158.56 × 83,584.38
4. Step 4: Simplify right side
   151,567.50x = 17,482,388,559.29
5. Step 5: Solve for x
   x = 17,482,388,559.29/151,567.50
6. Step 6: Final answer
   x = 115,343.91