Finding the Fourth Proportional to 150,298, 207,417.76 and 83,230

Step by Step Solution

1. Step 1: Write the proportion equation
   150,298 : 207,417.76 = 83,230 : x
2. Step 2: Convert to fraction form
   150,298/207,417.76 = 83,230/x
3. Step 3: Cross multiply
   150,298x = 207,417.76 × 83,230
4. Step 4: Simplify right side
   150,298x = 17,263,380,164.80
5. Step 5: Solve for x
   x = 17,263,380,164.80/150,298
6. Step 6: Final answer
   x = 114,861.01