Finding the Fourth Proportional to 151,578, 209,174.81 and 83,601.32

Step by Step Solution

1. Step 1: Write the proportion equation
   151,578 : 209,174.81 = 83,601.32 : x
2. Step 2: Convert to fraction form
   151,578/209,174.81 = 83,601.32/x
3. Step 3: Cross multiply
   151,578x = 209,174.81 × 83,601.32
4. Step 4: Simplify right side
   151,578x = 17,487,288,762.87
5. Step 5: Solve for x
   x = 17,487,288,762.87/151,578
6. Step 6: Final answer
   x = 115,368.25