Finding the Fourth Proportional to 151,551.72, 209,131.71 and 83,569.13

Step by Step Solution

1. Step 1: Write the proportion equation
   151,551.72 : 209,131.71 = 83,569.13 : x
2. Step 2: Convert to fraction form
   151,551.72/209,131.71 = 83,569.13/x
3. Step 3: Cross multiply
   151,551.72x = 209,131.71 × 83,569.13
4. Step 4: Simplify right side
   151,551.72x = 17,476,954,485.31
5. Step 5: Solve for x
   x = 17,476,954,485.31/151,551.72
6. Step 6: Final answer
   x = 115,320.07