Finding the Fourth Proportional to 151,551.34, 209,142.34 and 83,571.01

Step by Step Solution

1. Step 1: Write the proportion equation
   151,551.34 : 209,142.34 = 83,571.01 : x
2. Step 2: Convert to fraction form
   151,551.34/209,142.34 = 83,571.01/x
3. Step 3: Cross multiply
   151,551.34x = 209,142.34 × 83,571.01
4. Step 4: Simplify right side
   151,551.34x = 17,478,235,855.78
5. Step 5: Solve for x
   x = 17,478,235,855.78/151,551.34
6. Step 6: Final answer
   x = 115,328.81