Finding the Fourth Proportional to 151,549.86, 209,134.23 and 83,566.80

Step by Step Solution

1. Step 1: Write the proportion equation
   151,549.86 : 209,134.23 = 83,566.80 : x
2. Step 2: Convert to fraction form
   151,549.86/209,134.23 = 83,566.80/x
3. Step 3: Cross multiply
   151,549.86x = 209,134.23 × 83,566.80
4. Step 4: Simplify right side
   151,549.86x = 17,476,678,371.56
5. Step 5: Solve for x
   x = 17,476,678,371.56/151,549.86
6. Step 6: Final answer
   x = 115,319.66