Finding the Fourth Proportional to 151,174.50, 208,615.58 and 83,185.12

Step by Step Solution

1. Step 1: Write the proportion equation
   151,174.50 : 208,615.58 = 83,185.12 : x
2. Step 2: Convert to fraction form
   151,174.50/208,615.58 = 83,185.12/x
3. Step 3: Cross multiply
   151,174.50x = 208,615.58 × 83,185.12
4. Step 4: Simplify right side
   151,174.50x = 17,353,711,326.67
5. Step 5: Solve for x
   x = 17,353,711,326.67/151,174.50
6. Step 6: Final answer
   x = 114,792.58