Finding the Fourth Proportional to 150,459, 207,633.42 and 83,391

Step by Step Solution

1. Step 1: Write the proportion equation
   150,459 : 207,633.42 = 83,391 : x
2. Step 2: Convert to fraction form
   150,459/207,633.42 = 83,391/x
3. Step 3: Cross multiply
   150,459x = 207,633.42 × 83,391
4. Step 4: Simplify right side
   150,459x = 17,314,758,527.22
5. Step 5: Solve for x
   x = 17,314,758,527.22/150,459
6. Step 6: Final answer
   x = 115,079.58