Finding the Fourth Proportional to 151,743.17, 209,405.61 and 83,760.17

Step by Step Solution

1. Step 1: Write the proportion equation
   151,743.17 : 209,405.61 = 83,760.17 : x
2. Step 2: Convert to fraction form
   151,743.17/209,405.61 = 83,760.17/x
3. Step 3: Cross multiply
   151,743.17x = 209,405.61 × 83,760.17
4. Step 4: Simplify right side
   151,743.17x = 17,539,849,492.55
5. Step 5: Solve for x
   x = 17,539,849,492.55/151,743.17
6. Step 6: Final answer
   x = 115,589.06