Finding the Fourth Proportional to 151,492.03, 209,049.61 and 83,505.49

Step by Step Solution

1. Step 1: Write the proportion equation
   151,492.03 : 209,049.61 = 83,505.49 : x
2. Step 2: Convert to fraction form
   151,492.03/209,049.61 = 83,505.49/x
3. Step 3: Cross multiply
   151,492.03x = 209,049.61 × 83,505.49
4. Step 4: Simplify right side
   151,492.03x = 17,456,790,117.36
5. Step 5: Solve for x
   x = 17,456,790,117.36/151,492.03
6. Step 6: Final answer
   x = 115,232.40