Finding the Fourth Proportional to 150,179.94, 207,300.06 and 86,543.10

Step by Step Solution

1. Step 1: Write the proportion equation
   150,179.94 : 207,300.06 = 86,543.10 : x
2. Step 2: Convert to fraction form
   150,179.94/207,300.06 = 86,543.10/x
3. Step 3: Cross multiply
   150,179.94x = 207,300.06 × 86,543.10
4. Step 4: Simplify right side
   150,179.94x = 17,940,389,822.59
5. Step 5: Solve for x
   x = 17,940,389,822.59/150,179.94
6. Step 6: Final answer
   x = 119,459.30